For watch 1068 model
How to set military time (12h and 24h)?
Press the mode button 3 times until you see the seconds on the bottoms blink. Then press the reset button until you get the hours to change. After that press the start button until you get the proper hours you need. Hint....after the letter H appears on the bottom which is 24h, you keeping pressing then you will get to 12h.