Cal. No. F990
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Summer time
About summer time
Summer time is a system adopted in some countries/areas to gain an extra daylight during summer.
This watch can display summer time or standard time according to the time zone selected.
- You can change settings of summer time/standard time indication separately for the home time and the local time.
- Summer time information is not contained in the satellite signal.
Adjust the setting manually before and after the summer time period. - The summer time period varies depending on the country or area.
- The summer time rules may change depending on the country or area.