Barrel
Energy storage and release

The barrelBarrel The barrel is a cylindrical container that holds the mainspring. The barrel is connected to the winding mechanism. The winding mechanism rotates the barrel, which in turn winds the mainspring. [Learn More] is a cylindrical container that holds the mainspringMainspring The mainspring is a spiral-shaped metal spring that stores energy in a mechanical watch movement. It is located inside the barrel, a cylindrical container. The mainspring is wound by the wearer, either manually or automatically, through the movement of the wearer's wrist. The mainspring is the source of energy for the watch, and the tension in the mainspring determines the power reserve. The mainspring unwinds over time, and the watch will stop running when the mainspring is fully unwound. [Learn More]. The barrel is connected to the winding mechanism. The winding mechanism rotates the barrel, which in turn winds the mainspring.

[Learn More]