Check whether the watch is manual, automatic, or quartz
Remove the watch from your wrist if needed
Locate the crown on the side of the watch
If the crown is screw-down, unscrew it first
Turn the crown clockwise slowly
Stop when you feel resistance
Do not force the crown past resistance
If the watch has stopped, wind it until it starts running
If the watch is automatic, wear it regularly or wind it manually as needed
Push the crown back in after winding
Screw the crown back down if applicable