How To Change Casio Watch To 12 Hour Time. Before I get into the review of the watch I made a video on this watch explaining how to set the time set the alarm change from 12-hour to 24-hour aka. Press the button in the top left corner of your watch.

Press the button located on the bottom-right region of the Casios face and keep pressing it until you get to the 24 hour time option. Press the large square button directly beneath the display. In the Timekeeping Mode hold down A and keep it pressed for about 5 seconds until you see HSET appears in the upper screen.
Before I get into the review of the watch I made a video on this watch explaining how to set the time set the alarm change from 12-hour to 24-hour aka.
Press the Adjust button once you are on the. Our instruction on F-108 will help you. The watch switches from 24 to 12 hour time. Release the Adjust button once the time setting begins flashing on the Casios screen.
