Accurist 6W50 Operating Instructions Manual page 14

To set the time:
1. Turn the crown and align the mode function hand to 'TME' mode.
2. Gently pull out crown to position C.
3. Turn crown either way to correct time.
Turning the crown rapidly either way (continuously clicking two or more times)
causes the hands to automatically advance rapidly. When stopping the hands,
click the crown once to the right or left. When the hands are not stopped
manually, they stop automatically after being corrected by 12 hours.
4. Push in crown to position A.