Rotor
The half-moon-shaped weight in an automatic watch that spins as your wrist moves. As it turns, it winds the mainspring through a set of gears. On watches with a transparent caseback it can often be seen, frequently decorated.
The half-moon-shaped weight in an automatic watch that spins as your wrist moves. As it turns, it winds the mainspring through a set of gears. On watches with a transparent caseback it can often be seen, frequently decorated.
There are 334 models with this feature in the catalogue.