Thank you for your purchase of this Citizen watch. Before using the watch, read this instruction manual carefully to ensure correct use. After reading the manual, store it in a safe place for future reference. Be sure to visit the Citizen website at http://www.citizenwatch-global.com/ . Here you will find a variety of information such as electronic setting guides, answers to frequently asked questions, Eco-Drive recharging information and more.
Safety precautions — IMPORTANT This manual contains instructions that should be strictly followed at all times not only for optimal use, but to prevent any injuries to yourself, other persons or property.
Safety precautions — IMPORTANT ■ Important instructions are categorized and depicted in this manual as follows: (Following symbols are examples of Pictograms.) Warning (caution) symbol followed by prohibited matters. Warning (caution) symbol followed by instructions that should be followed or precautions that should be observed.
Precautions to be taken when diving PROHIBITED Do not use this watch while diving when... CAUTION Diving with the watch CAUTION Before diving • Do not use your watch while diving when the watch stops or exhibits any abnormal operation. • Persons using the diver’s watch are strongly recommended to receive proper instruction and training pertaining to diving and observe those rules at all times. • Please use this watch properly only after you fully understand the operating procedures and cautions.
Precautions to be taken when diving - Make sure that the band is firmly anchored to the watch body. - Make sure that there are no cracks or other damage to the watch band or the glass face. - Make sure that the register ring rotates properly. CAUTION During diving CAUTION After diving • Do not push any push buttons or pull out the crown in the water. Operating any of them in water may cause trouble including deterioration of water resistance.
Features 6 Diving mode Eco-Drive Satellite Wave-GPS 200 m water resistant watch for diving Receives location and time information sent from GPS satellites and adjusts the time and calendar on the watch automatically. This watch has 200 m water resistance and can be used for air diving with an air tank (SCUBA diving). (You cannot use it for saturation diving using helium gas.) It conforms with the standard of ISO 6425: 2018.
Features Light-Level Indicator World time ±5-second average monthly accuracy Perpetual calendar Indicates current power generation amount. It can be used as a reference for choosing a good charging place. Indicates the time around the world by choosing one of 38 time zones. Keeps high accuracy without time signal reception. No need for monthly and leap-year date correction until February 28, 2100. * “Eco-Drive” is an original technology of Citizen.
CONTENTS Precautions to be taken when diving. . . . . . . . . . . . . . . . . 4 Before using this watch. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Band adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Protective stickers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONTENTS Setting the world time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Checking the current time zone setting. . . . . . . . . . . . . . . . . . 27 Obtaining location information from satellite signals. . . . . 34 Setting the time zone manually. . . . . . . . . . . . . . . . . . . . . . . . . . 36 Receiving time information. . . . . . . . . . . . . . . . . . . . . . . .
CONTENTS Information on satellite signal reception. . . . . . . . . . . . . 54 Checking and adjusting the leap second setting . . . . . . . . . 59 Checking and adjusting the rollover number setting. . . . . 62 Adjusting the time and calendar manually . . . . . . . . . . . 66 Using the rotating bezel. . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . .
CONTENTS Eco-Drive watch handling precautions. . . . . . . . . . . . . . . 86 Water resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Precautionary items and usage limitations. . . . . . . . . . . 92 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Before using this watch This watch has a rechargeable cell which is charged by exposing the dial to light. Expose the dial to direct sunlight regularly to charge the watch. For details of charging, see pages 48 -. • Especially, satellite signal reception is power consuming. Take care.
Before using this watch Band adjustment We recommend seeking the assistance of an experienced watch technician for sizing of your watch. If adjustment is not done correctly, the bracelet may unexpectedly become detached leading to loss of your watch or injury (excluding products containing the band adjustment tool). Consult an authorized service center. Protective stickers Be sure to remove any protective stickers that may be on your watch (case back, band, clasp, etc.).
Before using this watch How to use a specially designed crown/button Some models are equipped with a specially designed crown and/or push button to prevent accidental operation. Screw down crown/button Unlock the crown/button prior to operate your watch. Unlock 14 Lock Screw down crown Rotate the crown counterclockwise until it releases from the case. Push the crown in to the case. With gentle pressure towards the case, rotate the crown clockwise to secure it to the case. Be sure to tighten firmly.
Before using this watch Recessed button Press the button with a non-marring narrow-tipped object. • Metal objects may cause marring or scratching of the button.
Component identification Hands and buttons Hour hand Minute hand SH A R PA M E R L OK NO SH R E U IK H H RX - E S LD GP G D E N A L A PA GO L 7 AN S ON OFF C H A W Crown Date indication T D F L M Y II O A Y D Second hand KET F PHU T W T S M DAC LA X S BJ Function hand ES DE S N IV YC Button B A TM A LO N RX - R NH RO N OD L P M B M A O E DE X D F O D N O A I N R TB U FIJI A TB NOU EA GR R R IE R R AE E Button A Rotating bezel 16
Component identification Indication A O M O D N A IO N R NH RO NOD L P A LO N SHA R PA M E R L OK NO SH R EI U K H H RX - E L G D E N A L A PA GO E S DE S N IV YC S LD GP A TM DE RX - R M B F 7 S KET T W T PHU M S AN S DAC LA X C ON OFF BJ S/M/T/W/T/F/S: Day-of-week indication Power reserve indication (in five levels) ON/OFF: Summer time (DST) setting DIVE: Diving mode F E X D RX-TME: Reception-in-progress indication (time) RX-GPS: Reception-in-progress indicatio
Checking the power reserve and power generation amount Always care about the current power reserve and charging environment of the watch and charge it sufficiently.
Checking the power reserve and power generation amount Make sure that the watch is not wet before operating it. 1 Push the crown in to position 0 . 2 Press and release the upper right button B . The power reserve and power generation amount at the moment of pressing the button are indicated in level. • Power reserve level (function hand): page 20 • Level of power generation amount (hour, minute and second hands): page 22 3 Press and release the upper right button B to finish the procedure.
Checking the power reserve and power generation amount Indication of power reserve in levels Level 4 Meaning 20 2 1 0 See “Indication of power reserve in levels” on page 18. Indication Duration 3 24 - 19 months 19 - 14 months 14 - 5 months 5 months - 5 days 5 days or shorter Power reserve Power reserve is OK. is sufficient. Insufficient Power reserve charge is getting low. warning has started. OK for normal use. Charge immediately.
Checking the power reserve and power generation amount CAUTION • At the level 0, the second hand starts to move once every two seconds (insufficient charge warning function, page 50). Some functions become unavailable while this function is activated. For details, see page 51. • The function hand points to “OFF” and does not indicate the level of power reserve when temperature of the watch is too high or too low. (non-chargeable state) Check it again at a location of suitable temperature.
Checking the power reserve and power generation amount Indication of power generation amount in levels The level of power generation amount means power being generated by the solar cell represented in 7 levels (0 - 6). Level Indication Meaning 22 6 5 4 3 2 1 0 See “Indication of power generation amount in levels” on page 18. Sufficient power generation for charging. Charge in a brighter location where the level of power generation amount reaches “5” or “6”.
Checking the power reserve and power generation amount CAUTION • The level of power generation amount indicated is that of the moment you operate the watch for its indication. The level indication does not reflect change of the level after your operation. • The level may vary even under the same brightness due to the entry angle of light to the dial of the watch or other elements. The level may also vary depending on difference of models.
Checking the reception result of the satellite signal Make sure that the watch is not wet before operating it. 1 Push the crown in to position 0 . 2 Press and release the lower right button A . The previous reception result is indicated. E R O D N A IO N R NH RO NOD L P A LO N SHA R PA M E R L OK NO SH R EI U K H H RX - E RX - S LD GP A LO N SHA R PA M E R L OK NO SH R EI U K H H 7 Reception failed.
Checking the reception result of the satellite signal 3 Press and release the lower right button A to finish the procedure. The hands returns to current time indication. • They return to current time indication automatically in about 10 seconds. About the reception result The previous reception result is stored for 6 days and “NO” is indicated after that.
Setting the world time This watch can indicate the time around the world according to which of 38 time zones (offsets from UTC — Coordinated Universal Time) is chosen. You can set offsets from UTC through any of the two ways below. How to set What to set Obtaining location information A time zone is set automatically and time and calendar from satellite signals are adjusted based on the chosen zone. (page 34) Setting the time zone manually A time zone is chosen manually.
Setting the world time Checking the current time zone setting Make sure that the watch is not wet before operating it. 1 Pull the crown out to position 1 . The second hand indicates the current world time setting and the function hand indicates the current summer time (DST) setting. • See also “How to read indication of the world time setting” (page 28) and “Table of time zones and representative areas” (page 29). 2 Push the crown in to position 0 to finish the procedure.
Setting the world time How to read indication of the world time setting The watch has 38 time zone markers with several representative area names. A time zone is set by pointing the second hand at one of the markers.
Setting the world time Table of time zones and representative places • Countries or regions may change time zones for various reasons. • The offsets in the table are based on the standard time. 0 Second hand 0 +1 2 +2 4 +3 6 Time zone Area name LON Representative area London Paris PAR SHARM EL SHEIKH/ Sharm El Sheikh, Athens SSH Riyadh RUH +3.5 7 — Tehran +4 8 DXB Dubai +4.
Setting the world time +5.5 Second hand 12 +5.75 13 — +6 14 DAC Dhaka +6.5 15 — Yangon Time zone 30 Area name DEL Representative area Delhi Kathmandu +7 16 PHUKET/HKT +8 18 BJS +8.75 20 — Eucla +9 21 TYO Tokyo +9.5 23 +10 25 +10.
Setting the world time Area name +11 Second hand 27 Time zone NOU Representative area Noumea +12 29 FIJI/NAN +12.75 31 — Fiji Islands, Auckland +13 32 TBU +14 34 — Kiritimati –12 36 — Baker Island Chatham Islands Nuku'alofa –11 38 MDY –10 40 HAWAII/HNL Hawaii, Honolulu Midway Marquesas Islands –9.
Setting the world time –7 Second hand 46 –6 48 –5 50 NYC New York –4 52 MAO Manaus St. John's Time zone 32 Area name DEN Representative area Denver GALAPAGOS/SCY Galápagos Islands, Chicago –3.
Setting the world time • Even when choosing a time zone of a summer time area during summer time period, apply its standard offset from UTC for world time setting; activate summer time (DST) setting (page 44) to apply summer time.
Setting the world time Obtaining location information from satellite signals A time zone is set automatically and time and calendar are consequently adjusted based on the chosen zone. Make sure that the watch is not wet before operating it. It is recommended to receive the satellite signals outdoors with the wide-open sky. For details of signal reception, see “Information on satellite signal reception” (page 54). • It may take 30 seconds - 2 minutes to obtain location information.
Setting the world time After finishing the reception, the second hand indicates the new setting or “NO” of the reception result and returns to indicate the second. • To cancel the reception, press and hold any button until the second hand returns to indicate the second. About obtaining location information The time zone may not set appropriately when location information is obtained in a border of time zones, even if the information is correct. • You can also execute time zone setting manually.
Setting the world time Setting the time zone manually Make sure that the watch is not wet before operating it. 1 Pull the crown out to position 1 . The second hand indicates the current world time setting and the function hand indicates the current summer time (DST) setting (page 44). 2 Rotate the crown to choose a time zone. Time indication changes. • See also “How to read indication of the world time setting” (page 28) and “Table of time zones and representative areas” (page 29).
Receiving time information It is recommended to receive the satellite signals outdoors with the wide-open sky. For details of signal reception, see “Information on satellite signal reception” (page 54). You can use the three types of reception below to receive time information. You can also check the result of the previous reception (success or fail). (page 24) Type Time reception Leap second reception Automatic time reception Use Time required (approx.
Receiving time information Time reception (time required: about 3 - 30 seconds) Make sure that the watch is not wet before operating it. • location information is not obtained while receiving time information. Execute world time setting (page 26) beforehand. • It may take more time for reception when difference in time is large or calendar was set manually. 1 Push the crown in to position 0 . 2 Press and hold the lower right button A for 2 seconds until the second hand points “RX-TME”.
Receiving time information After finishing reception, the second hand indicates the reception result (page 24) and returns to normal movement. • To cancel the reception, press and hold any button until the second hand returns to normal movement. When the time or calendar is still incorrect even after reception Check the settings of world time (page 26) and summer time (DST) (page 44). If the time is still incorrect after that, execute leap second reception (page 40). The leap second may be updated.
Receiving time information Leap second reception (time required: about 36 seconds - 13 minutes) Reception to be executed when the leap second has been updated. Make sure that the watch is not wet before operating it. • You can also execute leap second setting manually. (page 59) 1 Push the crown in to position 0 . 2 Press and hold the lower right button A for 7 seconds.
Receiving time information After finishing reception, the second hand indicates the reception result (page 24) and returns to normal movement. • To cancel the reception, press and hold any button until the second hand returns to normal movement. When the time or calendar is still incorrect even after reception Check the settings of world time (page 26) and summer time (DST) (page 44). • Summer time (DST) information is not contained in the satellite signal.
Receiving time information Automatic time reception The watch starts time reception automatically when the conditions belows are fulfilled: • The watch has not received satellite signals for 6 days or more. • The watch dial is being exposed to strong direct sunlight for 20 seconds or more. • The crown is in position 0 . • The time on the watch is between 6:00AM and 6:00PM. • The second hand does not move in two-second interval (page 50). • The watch is not in the diving mode.
Receiving time information About automatic time reception Automatic time reception may be delayed in the following cases: • The second hand moved in two-second interval (shows insufficient charge warning) after the last reception. Automatic time reception is executed 6 days or more after the insufficient charge warning stopped by charging the watch. • Time zone setting was changed. Automatic time reception is executed 6 days or more after the moment of the changing of the setting.
Switching summer time (DST) and standard time Summer time (Daylight Saving Time: DST) is a system adopted in some countries/ areas to gain an extra daylight during summer. This watch can display summer time (DST) or standard time according to the city selected for world time. • Summer time (DST) information is not contained in the satellite signal. Adjust the setting manually before and after the summer time (DST) period. • The summer time (DST) period varies depending on the country or area.
Switching summer time (DST) and standard time Make sure that the watch is not wet before operating it. 1. Pull the crown out to position 1 . The second hand indicates the current world time setting and the function hand indicates the current summer time (DST) setting. • When you rotate the crown, the time zone setting changes. 2 Press and release the lower right button A .
Using the diving mode By using the diving mode, you can prevent unintended operation of buttons and deactivate the signal reception function.
Using the diving mode Make sure that the watch is not wet before operating it. 1 Push the crown in to position 0 . 2 Press and release both the lower right button A and upper right button B simultaneously. The hands temporarily show 0:00:00, then the function hands T W T M F points “DIVE” and the watch turns S S into the diving mode. ON • When the hands are kept stopped, OFF deactivate the diving mode and try again.
Charging your watch This watch has a solar cell under the dial and stores the power generated by the cell in its built-in rechargeable cell. The cell is charged by exposing the dial to light such as direct sunlight or fluorescent lamps. For optimal performance, be sure to: • Put the watch in a location where the dial is exposed to bright light such as by the window even when it is not used. • Expose its dial to direct sunlight for 5 or 6 hours at least every half-a-month.
Charging your watch CAUTION • This watch contains a large-capacity rechargeable cell for performing powerconsuming satellite signal reception. This large capacity cell takes more time to charge than those found in other Eco-Drive watches. • If the surrounding temperature falls below 0°C (32°F) or exceeds 40°C (104°F), the “Charge suspension temperature detection function” will activate and charging will not be possible.
Charging your watch When the watch reaches a low charge state (insufficient charge warning function) When the power reserve becomes low, the second hand moves once every two seconds. This is the insufficient charge warning function. Be sure to fully charge your watch immediately as outlined below. • When the watch is sufficiently charged, the second hand will move normally.
Charging your watch During the insufficient charge warning state The time and date is indicated correctly. Operations below are available: • Checking power generation amount • Setting the world time • Adjusting the time and calendar manually You cannot execute operations other than above such as obtaining location information, receiving satellite time signals or using the diving mode.
Charging your watch Charging time by environment Below are the approximate charging times when exposing to light continuously. Please use this table as a reference only. Environment Outdoors (sunny) Outdoors (cloudy) 20cm (7-7/8 inches) away from a fluorescent lamp (30W) Interior lighting Charging time (approx.) Illuminance To start working To become fully (lx) To work for one day normally when the charged when the cell cell is discharged is discharged 2 minutes 4.
Charging your watch Power save function The hour, minute and second hands stop automatically to save power as 3 days passed after stopping power generation. • The watch is still running internally to keep the time and calendar correctly even after the power save function has activated. • The power save function is not activated when the position of the crown is 1 or 2 or the watch is in the diving mode.
Information on satellite signal reception This watch receives time information from satellites to indicate the time and calendar. It also obtains location information from them to indicate time appropriate in the area where it is actually used. For receiving the satellite signal smoothly Satellite signal reception is power consuming. Take care of power reserve when executing reception. • This watch keep moving in average monthly accuracy of ±5 seconds even without receiving the satellite time signal.
Information on satellite signal reception Cautions regarding receiving the satellite signal Do not perform signal reception while operating a vehicle as doing so is extremely dangerous. • If the second hand is moving once every two seconds (insufficient charge warning function), you cannot perform satellite signal reception. Charge the watch sufficiently before attempting signal reception.
Information on satellite signal reception When receiving the satellite signal • As shown in the picture below, make sure you are in an area with few surrounding trees, buildings, or other objects which may obstruct the satellite signal. Face the dial towards the sky and perform signal reception. • For successful reception there should be a clear view of the sky as depicted in the illustration when attempting to receive the satellite signal.
Information on satellite signal reception Receiving signals indoors near a window Place the watch near a window with a wide view of the sky and orient the dial in an obliquely upward direction to the sky. • Signal reception from some satellites is required for obtaining location information. So it is possible that location information cannot be obtained in an environment where time information can be received. Outdoor signal reception is recommended for obtaining location information.
Information on satellite signal reception Poor reception areas It may be difficult to receive the satellite signal under certain environmental conditions or in certain areas. Areas with obstructions above the watch • Indoors or underground • Areas surrounded by tall buildings or trees • When the weather is cloudy or rainy, or during a thunderstorm etc.
Information on satellite signal reception Checking and adjusting the leap second setting This watch displays the time by applying the leap second to the International Atomic Time information received from satellites. • The leap second may be applied once a few years and the leap second setting on the watch must be adjusted each time it applied. • The leap second setting can be adjusted by executing leap second reception (page 59). It can also be set manually.
Information on satellite signal reception Make sure that the watch is not wet before operating it. 1 Pull the crown out to position 2 . A LO N The second hand points to 0 second. O D N A IO N R DE NH RO NOD L P SHA R PA M E R L SH R EI U K H H 2 Press and hold upper right button B for 2 seconds or RX - YC S LD GP A TM OK E RX - R M B M A O E X D more.
Information on satellite signal reception 3 Turn the crown to adjust the setting if it is not correct. • Adjustable range is from 0 to ‒90 seconds. 4 Push the crown in to position 0 to finish the procedure.
Information on satellite signal reception Checking and adjusting the rollover number setting In order for this watch to correctly process the week information received from the satellite (week numbers), a rollover number for each time period is set. The rollover numbers will be updated automatically. If the rollover number setting is incorrect, the time and date may not be indicated accurately. Check the rollover number setting and adjust it if it is incorrect.
Information on satellite signal reception Table of rollover number and time period Time period (Coordinated Universal Time, GMT) Rollover number 22/8/1999 (Sun) 0:00 – 0 7/4/2019 (Sun) 0:00 – 1 21/11/2038 (Sun) 0:00 – 2 7/7/2058 (Sun) 0:00 – 3 20/2/2078 (Sun) 0:00 – 4 6/10/2097 (Sun) 0:00 – 22/5/2117 (Sat) 23:59 5 63
Information on satellite signal reception Make sure that the watch is not wet before operating it. 1 Pull the crown out to position 2 . The second hand points to 0 second. 2 Press and hold upper right button B for 2 seconds or more. The second and minute hands indicate the leap year setting. 3 Press and hold the upper right button B for 7 seconds or more while the leap second setting is indicated. The second hand indicates the current rollover number setting.
Information on satellite signal reception 4 Turn the crown to adjust the setting if it is not correct. • Adjustable range is from “0” to “5”. • See “Table of rollover number and time period” on page 63. 5 Push the crown in to position 0 to finish the procedure.
Adjusting the time and calendar manually • Execute world time setting (page 26) beforehand. Make sure that the watch is not wet before operating it. 1 Pull the crown out to position 1 . 2 Press and hold the upper right button B until the second hand points to 30 seconds. 3 Pull the crown out to position 2 . The second hand points to 0 second.
Adjusting the time and calendar manually 4 Press and release the lower right button A repeatedly to change the hand/indication to be corrected. • Each time you press button A , the target changes as follows: Minute → hour → date → year/month → day of week → (back to the top) • The hands and indications slightly moves when selected to show they become adjustable.
Adjusting the time and calendar manually 5 Rotate the crown to adjust the hand/indication. • Year and month are indicated with the second hand. Set them referring to “Month and year indications” on the page 70. • Date indication changes to the next as the function hand rotates 5 times. • When you rotate the crown quickly a few times, the hand/ indication will move continuously. To stop the rapid movement, rotate the crown in either direction.
Adjusting the time and calendar manually 6 Repeat steps 4 and 5. 7 Push the crown in to position 0 in accordance with a reliable time source to finish the procedure. The second hand starts moving from 0 second.
Adjusting the time and calendar manually Month and year indications Set the year and month with the position of the second hand. “Month” corresponds to one of the 12 zones shown in the figure below. Each number means month. 12 11 Years since leap year: 0 (Leap year) 1 10 2 9 3 8 7 70 4 6 5 “Year” corresponds to the years since leap year and is indicated with markers in the zone of each month.
Adjusting the time and calendar manually Years since leap Year Second hand position year 2020 2024 2028 2032 2036 0 (Leap year) Hour marker 2021 2025 2029 2033 2037 1 1st min. marker 2022 2026 2030 2034 2038 2 2nd min. marker 2023 2027 2031 2035 2039 3 3rd min. marker M N SHA R PA M E R L OK NO RX - E Ex.
Using the rotating bezel You can find the elapsed time of diving or remaining time to a target time by minute. • To prevent accidents, the rotating bezel moves counterclockwise only.
Using the rotating bezel Finding the remaining time Current position of the minute hand Rotation direction O D N A IO N R DE NH RO NOD L P A LO N SH A R PA M E R L OK NO SH R EI U K H H RX - E S N IV YC S LD GP A TM RX - R M B M A O E X D F L G D E N A L APA GO E S DE 7 AN S K ET F PH U T W T mark to the target time. • The target time is set to 20 minutes after the current time in the illustration.
Troubleshooting Troubleshooting Checking and correcting the reference position If the time or calendar is not shown correctly even after proper reception of the time signal, check whether the reference position is correct. • If the hands and indication do not reflect the correct reference position, the time and calendar will not be indicated accurately even if the satellite signal is received.
Troubleshooting Make sure that the watch is not wet before operating it. 1 Pull the crown out to position 2 . 2 Press and hold the upper right button A for 4 seconds. The hands and indication start to move to the current reference positions stored in memory. • Release the button as the hands start to move. • Some hands show special movement to adjust their position. 3 Check the current reference position. Refer to the figure on the previous page.
Troubleshooting 4 Press and release the lower right button A . The function hands move slightly. 5 Press and release the lower right button A repeatedly to change the hand/indication to be corrected. • Each time you press button A , the target changes as follows. Date indication/function hand → hour hand → minute hand → second hand → (back to the top) • The hands slightly move when selected to show they become adjustable. 6 Rotate the crown to adjust the hand/indication.
Troubleshooting 7 Repeat steps 5 and 6. 8 Push the crown in to position 0 . 9 Press and release the lower right button A to finish the procedure. • The watch returns automatically to the time indication as about 2 minutes passed without any operation.
Troubleshooting Symptom and remedies Symptom Remedies Page Problems with satellite signal reception Reception is unsuccessful. 78 When the second hand moves once every two seconds, the watch cannot receive signals. Charge the watch. 50 Deactivate the diving mode. 46 Avoiding places where the satellite signal may be obstructed and objects which emit noise such as mobile telephone base stations or transmission facilities, face the dial towards the sky and start reception.
Troubleshooting Symptom Remedies Page Problems with satellite signal reception (continued) Automatic time reception does not work correctly. The correct time and calendar are not indicated after successful reception. Deactivate the diving mode. 46 Check the world time setting. 26 Check the summer time (DST) setting. 44 Execute leap second reception if the time and calendar is still incorrect even after executing time reception.
Troubleshooting Symptom Remedies Page Movement of a hand seems strange The power reserve is not indicated. Charging may be stopped. (non-chargeable state) Check it again at a location of suitable temperature. The second hand moves Charge the watch. once every two seconds. The second hand does not Push the crown in to position 0 . move. Push the crown in to position 0 and press and release the lower right button A . No hands move. 80 48 50 − − Deactivate the diving mode.
Troubleshooting Symptom Remedies Page Time/calendar is abnormal. Time/calendar is incorrect. Time is incorrect though the world time setting is correct and reception of the satellite signal succeeded. Check the world time setting. 26 Check the summer time (DST) setting. 44 Receive the satellite signal to adjust the time and calendar. 37 Check and correct the reference position. 74 Adjust the time and calendar manually. 66 Check the summer time (DST) setting.
Troubleshooting Symptom Remedies Page Charging and other problems If the surrounding temperature falls below 0°C (32°F) or exceeds 40°C (104°F), the “Charge suspension temperature detection function” will activate and charging will not be possible. The watch does not work even though it is If the watch does not work after exposing the dial to direct sunlight for more than one day, charged.
Troubleshooting Symptom Remedies Page Charging and other problems (continued) Charge the watch for 2 to 3 days under direct sunlight. If the second hand starts moving once every two seconds the watch is being charged The watch stops immediately after it is correctly. Continue charging even when the second hand starts moving normally. charged. If no change can be seen, consult an authorized service center.
Troubleshooting Resetting the watch - All Reset When the watch does not work properly, you can reset all the settings. If the power reserve is insufficient, charge the watch first. Be sure to perform the following operations after All Reset. 1. Correct the reference positions. After All Reset, the watch is in the reference position adjustment mode. Refer to step 5 and after on “Checking and correcting the reference position” (page 74). 2 Set the world time.
Troubleshooting Make sure that the watch is not wet before operating it. 1 Pull the crown out to position 2 . 2 Press and hold buttons A and B at the same time for 3 seconds or more and release them. As you release the buttons, the hands move slightly to indicate that reset completed.
Eco-Drive watch handling precautions • For optimal performance, your watch should remain fully charged. • Long sleeves may inhibit light transmission to your watch. This may result in your watch loosing charge. In these cases supplemental charging may be necessary. • When you take off the watch, place it in a bright location to ensure optimal performance.
Eco-Drive watch handling precautions CAUTION Recharging Precautions • Do not charge the watch at a high temperature (about 60 °C (140 °F) or higher) as doing so may cause the movement to malfunction. Examples: • Charging the watch too close to a light source which generates a large amount of heat such as an incandescent lamp or halogen lamp. * When charging under an incandescent lamp, be sure to leave 50 cm (20 inches) or more between the lamp and the watch to avoid exposing the watch to excessive heat.
Eco-Drive watch handling precautions • This watch utilizes a special rechargeable cell that does not require periodical replacement. However power consumption may increase after using the watch for a number of years due to wear of internal components and deterioration of oils. This may cause stored power to be depleted at a faster rate. WARNING Handling of Rechargeable Cell • The rechargeable cell should never be removed from the watch.
Eco-Drive watch handling precautions WARNING Use Only the Specified Battery • Never use a battery other than the rechargeable cell specified for use in this watch. Although the watch structure is designed so that it will not operate when another type of battery is installed, if a conventional watch battery or other type of battery is installed in the watch and the watch is recharged, there is the risk of overcharging which may cause the battery to rupture.
Water resistance WARNING Water Resistance • This is a water-resistant watch for SCUBA diving. Refer to the table below to use it correctly. • Diver’s water-resistant watches can be used only for SCUBA diving using an air tank and not for saturation diving using a helium gas tank.
tion resistant Water resistance • The packing used for this watch is a consumable part and will deteriorate over long-term use. Deterioration may lead to water penetration, causing the watch to malfunction or stop. Consult an authorized service center for inspection (for a charge) every 2 or 3 years, and replace the packing, glass or other parts as necessary.
Precautionary items and usage limitations CAUTION To Avoid Injury • Be particularly careful when wearing your watch while holding a small child, to avoid injury. • Be particularly careful when engaged in strenuous exercise or work, to avoid injury to yourself and others. • Do not wear your watch while in a sauna or other location where your watch may become excessively hot, since there is the risk of burns.
Precautionary items and usage limitations CAUTION Precautions • Always use the watch with the crown pushed in (normal position). If the crown is of the screw lock-type, make sure it is securely locked. • Do not operate (use the crown and/or buttons) the watch when it is wet. Water may enter the watch causing damage to vital components.
Precautionary items and usage limitations CAUTION When Wearing Your Watch • Leather bands and rubber (urethane) bands will deteriorate over time due to perspiration dirt. Because of the natural materials, leather band will be worn, deformed, and discolored over time. It is recommended to replace the band periodically. • The durability of a leather band may be affected when wet (fading, peeling of adhesive), owing to the properties of the material. Moreover, wet leather may cause a rash.
Precautionary items and usage limitations CAUTION When Wearing Your Watch (continued) • Please request adjustment or repair of the band in the following cases: - You notice an abnormality with the band due to corrosion. - The pin of the band is protruding. • We recommend seeking the assistance of an experienced watch technician for sizing of your watch. If adjustment is not done correctly, the bracelet may unexpectedly become detached leading to loss of your watch or injury.
Precautionary items and usage limitations • Avoid dropping the watch or subjecting it to other strong impact. It may cause malfunctions and/or performance deterioration as well as damage to the case and bracelet. • The integrated circuits (IC) used in quartz watches are sensitive to static electricity. Please note the watch may operate erratically or not at all if exposed to intense static electricity.
Precautionary items and usage limitations CAUTION Always Keep Your Watch Clean • Rotate the crown while it is pressed in fully and press the buttons periodically so they do not become stuck due to accumulations of foreign matter. • The case and band of the watch come into direct contact with the skin. Corrosion of the metal or accumulated foreign matter may result in black residue coming from the bracelet when exposed to moisture or perspiration. Be sure to keep your watch clean at all times.
Precautionary items and usage limitations Caring for Your Watch • Wipe any dirt or moisture such as perspiration from the case and crystal with a soft cloth. • For metallic, plastic or synthetic rubber (polyurethane) band, clean it with soap and a soft toothbrush. Be sure to thoroughly rinse the band after cleaning to remove any soap residue. • For a leather band, wipe off dirt using a dry cloth.
Precautionary items and usage limitations The paint on the dial and hands helps you with reading the time in a dark place. The luminous paint stores light (daylight or artificial light) and glows in a dark place. It is free from any radioactive substance or any other material harmful to a human body or environment. • The light emission will appear bright at first and then diminish as time passes.
Specifications Model F158 Type Analog solar-powered watch Timekeeping accuracy Average monthly accuracy: ±5 seconds when worn at normal operation temperatures between +5°C (41°F) and +35°C (95°F) (without reception) Operating temperature range Display functions 100 ‒10°C (14°F) to +60°C (140°F) • Time: Hours, minutes, seconds • Calendar: Date, day of week • Power reserve: 5 levels • Power generation amount: 7 levels Duration • When fully charged, the watch runs without additional charging in normal
Specifications Additional functions • Solar power function • Overcharging prevention function • Insufficient charge warning function (two-second interval movement) • Over discharge detection function • Charge suspension temperature detection function • Uncharged state indication function • Power reserve indication (in five levels) • Light-Level Indicator (power generation amount indication function in seven levels) • Power save function • Satellite time signal reception function • Location information obt
