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What are the differences between automatic movements and manual wind?

April 26, 2017automatic differences manual movements wind

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What are the differences between automatic movements and manual wind?

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Automatic movements work with a rotor that oscillates as you move your arm/hand. This oscillation winds the watch and continues to give it power to tick. A manual watch is powered by having the springs wound every several days. For a Panera, the power reserve [the stored/wound power] is about 45 or 56 hours depending on the model year.