Cal. No. F990
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Time/calendar is abnormal.
Time is incorrect though the world time setting is correct and reception of the satellite signal succeeded.
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]. |
| Summer time setting is wrong. | Checking the summer time setting |
| Leap second setting and/or rollover number setting is wrong. | Check the settings of leap second and rollover number. |
| Reference position is incorrect. | Checking and correcting the reference position |