2.7 Press the MODE button once again, you will see the hour format digit indicator starts
blinking, then press the ADJ button to choose 12 or 24 hours format.
2.8 Press the SET button once to save all the settings, the watch will back to the local time
display mode.
III. Stopwatch Mode
3.1 In the local time display mode, press the MODE button once to enter into stopwatch
mode.