Cal. No. F990
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Charging and other problems
The watch does not work even though it is charged.
Below are possible causes. Try remedies from the top to the bottom.
| Cause | Remedies |
|---|---|
| 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. | Move to a place of appropriate temperature and try again. | If the “Over discharge detection function” is activated, charging is not possible. If the watch does not work after exposing the dial to direct sunlight for more than one day, it is possible that the rechargeable cell has over discharged. | Consult an authorized service center. |