Function description (see picture below):
① 1/10 microsecond indicator
② Minute indicator
③ Second indicator
④ Date indicator
A: Start/Pause Button – at the two o’clock position. Push the start button to start recording time, push it again to stop recording time.
B: Reset Button – at the four o’clock position. Push the reset button, three train wheels would be reset. NOTE: You MUST STOP the three train wheels before resetting.
C: Crown. Pull the crown out to the first section to set calendar, pull it out to the second section to set time.