Cal. No. F158
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Charging your watch
When the watch reaches a low charge state (insufficient charge warning function)
The movement of an actual watch may differ from the illustration above.
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.
- If you do not charge the watch for 5 days or longer after the insufficient charge warning movement has begun, the watch will be depleted of all power and stop.
CAUTION
- If you do not charge the watch for 30 days after it has stopped, recharging will not be possible (over discharge detection function).
Consult an authorized service center if no hands start to move even after charging a stopped watch for one day or more exposing to direct sunlight.
During the insufficient charge warning state
The time and calendar are 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.