Strong electrostatic charge can result in the wrong time setting.
Even if a receive operation is successful, certain conditions can cause the time setting to be off by up to one second.
The watch is designed to update the date and day of the week automatically for the period January 1, 2000 to December 31, 2099. Updating of the date by signal reception will no longer be performed starting from January 1, 2100.
If you are in an area where signal reception is not possible, the watch keeps time with the precision noted in “Specifications”.
The receive operation is disabled under any of the following conditions.
While power is at Level 3 (L) or lower (page E-11)
While the watch is in the power recovery mode (page E-13)
While a direction, barometric pressure/temperature, or altitude reading operation is in progress
When the watch is in the function sleep state (“Power Saving”, page E-14)
While the barometric pressure change indicator is displayed
While a countdown timer operation is in progress (page E-79)
A receive operation is cancelled if an alarm sounds while it is being performed.
The Home City setting reverts to the initial default of TYO (Tokyo) whenever the battery power level drops to Level 5 or when you have the rechargeable battery replaced. If this happens, change the Home City to the setting you want (page E-31) .
