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1. The crown has three positions:

- Position 0: For manual winding.
- Position 1: To adjust the date.
- Position 2: To adjust the time (in this position, the second hand will stop).

2. To wind the watch manually, first turn the crown located at the 4 o'clock position counterclockwise until it pops out to Position 0 (this unlocks the screw-down crown).

3. Rotate the crown clockwise about 30 turns to wind the mainspring fully.

4. After winding, press the crown back in and screw it down clockwise until it's securely locked.