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: How does an "autoquartz" watch work?
: Do these watches have sweep second hand
: movement without batteries?
By almost all measures, Autoquartz (also known as Omega-matic or Kinetic) is simply a conventional quartz watch movement. Basic functionality and limitations are same as for any other quartz watch.
The only difference is that instead of being powered by an expiring battery, it has a system that generates and stores enough electric power to operate the watch. It uses a rotor (like in an automatic watch) to turn a micro electric generator that recharges a battery or capacitor-- which is where the movement gets its power.
In that, it is much like a car. The car has a battery that holds power ready for use. When the car is running, the alternator (a small electric generator) feeds power back in to the battery.
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