: Highly accurate and low-maintenance. They use a battery to send an electrical current through a small quartz crystal.
The "engine" of the watch determines its accuracy, maintenance needs, and soul. watch buying guide
: A type of mechanical watch that uses a rotor to wind the mainspring through the natural motion of your wrist. 3. Case Dimensions and Materials A watch's fit is determined by more than just its diameter. : Highly accurate and low-maintenance