Easy tutorial video on how to reset any G shock watch if the analog hands and the digital display time are not matching ( How to synchronise (sync) any #Casi To tweak the time zone on your G-Shock watch, all you have to do is hold down the mode button until you see the abbreviation “TPE” appear. After that, your G-Shock should be in time mode. All that is left to do is hit the forward button multiple times until you reach the correct time zone. To lock in the time zone, simply hold down the FOnBZxi.