Cal. No. F990
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Time/calendar is abnormal.
Time/calendar is incorrect.
Below are possible causes. Try remedies from the top to the bottom.
| Cause | Remedies |
|---|---|
| The mode is wrong. | Change the mode of the watch to [TME]. |
| World time setting is wrong. | Check the world time setting. |
| Summer time setting is wrong. | Checking the summer time setting |
| No time adjustment has been executed for a certain period of time. | Receive the satellite signal to adjust the time and calendar. |