User guide

Pull out the crown to the
second click
Unlock the crown
Continue to press Button A (3 seconds)
and then release it when the hand
moves to the 0-second position
Press Button B or Button C to set
the time
Push the crown back (in
simultaneously with a time
signal)
2
1 3 4 5
43
ASTRON 7X52 GPS SOLAR
TROUBLESHOOTING
CONTENTS
8
0 1 2
Pull out the
crown to
the second
click
Press for
3 seconds
Press
once to
advance
1 minute
Press
once to
set back
1 minute
0 1 2
Push
back in
How to manually set the time
The second hand moves to the
13-second position and stops.
The second hand moves to stop
at the 0-second position.
The watch enters the manual
time setting mode.
Operation has been completed.
The watch resumes its normal
movement.
Unscrew
 Screw-lock type crown P.34
Unlock the crown
 When the watch enters the manual
time setting mode, the reception
result will be displayed as “N,” since
the reception results data will be lost.
 The hands will not move by turning the
crown.
 The point in which the date changes is at
0:00 AM (12:00 PM). Set the time taking
into consideration AM or PM.
 Lock the crown.
While pressing the crown in
Screw
 Even if GPS signals cannot be received, the watch can be used with the same accuracy as a
normal quartz watch. (at loss/gain ±15 seconds per month on average)
 If the watch receives GPS signals after manual time setting, it displays the received time.
• When using the watch again under a condition in which the watch is able to receive GPS signals, receive GPS signals to set the time.
• When adjusting the time, the date will be accordingly adjusted.
When the button is kept pressed
for 2 seconds or longer, the hour/
minute hands will start to move
continuously, and when it is
pressed again, they stop moving.