An automatic watch has a rotor that winds the watch through movement on the wrist. It's mechanical. But there are mechanical watches that are not automatic and require hand winding to power the watch, lacking the rotor that "automatically" winds the watch
An automatic watch has a rotor that winds the watch through movement on the wrist. It's mechanical. But there are mechanical watches that are not automatic and require hand winding to power the watch, lacking the rotor that "automatically" winds the watch