Automechanical watches self charge from wrist movement. Quartz batteries last years. They are not comparable to smart watches, which need to be charged often.

Automechanical watches self charge from wrist movement. Quartz batteries last years. They are not comparable to smart watches, which need to be charged often. My garmin fenix is a bit more bearable as it lasts about 2.5-3 weeks on a charge.