The stem is a small metal rod located inside a watch and is used to set the time and date of the watch. It is connected to a crown or setting knob and is the main mechanism used to wind the watch. The stem is typically made of metal and is usually a small cylinder that is inserted into the watch’s case. It is connected to a gear system and can be moved to adjust the time. The stem is an essential part of a watch and is responsible for ensuring that the time and date are accurately set.
