Operation Manual
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8. Specifications
1. Caliber. No: 052 ※
2. Type: Analog quartz watch
3. Timekeeping accuracy: Within ±20 seconds per month on average (when
worn at normal temperatures of +5°C to +35°C /
41°F to 95°F)
4. Crystal oscillator: 32,768 Hz
5. Operating temperature range: –10°C to +60°C /14°F to 140°F
6. Display functions:
* Time: 24 hours, hours, minutes, seconds
* Calendar: Date
* Chronograph: Measurement and display up to 59 minutes 59 seconds in
1 second units
7. Battery: Miniature silver battery, 1
Battery part no.: 280–39 (SR626SW)
Battery life: Approx. 2 years (when using the chronograph for 1 hour/day)
* Specifications are subject to change without notice.
If solvents, such as thinner and benzine, or substances containing such solvents
come in contact with the watch, discoloration, melting, cracking, etc. may result.
If the watch comes in contact with mercury used in thermometers,the case, band or
other parts may become discolored.
Periodical inspections
Your watch needs inspection once in every two or three years for safety and long
use.
To keep your watch water-resistant, the packing needs to be replaced regularly.
Other parts need to be inspected and replaced if necessary.
Ask for Citizen geuine parts upon replacement.