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Some watch winders even double up as a Safe. In addition the watch winder usually provides the watch with additional protection from dust and moisture. The watch winder mimics the swinging motion of the watch, rotating the rotor and thereby providing power to the watch and preventing a lapse in timekeeping. To avoid the watch stopping, it can be placed in a watch winder. Some watches even have a 7 day power reserve like the IWC Portuguese Automatic, but those watches are few and far between.)
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(Most automatic watches have a power reserve of 48 or 72 hours. When the watch is not worn, the rotor does not move and although the watch keeps working for a certain period of time - depending on its power reserve capability - the power depletes and the watch eventually stops. Modern Automatic watches contain two ratchets and wind the mainspring during both clockwise and counterclockwise rotor motions.
#Croton automatic watch winder series
The motion of the wearer's arm is transferred into the circular motion of the rotor and via a series of reverser and reducing gears, winds the mainspring providing power to the watch. The staff is attached to a ratcheted winding mechanism. The swinging motion of the wearer causes the rotor to swing back-and-forth on its staff. This is achieved by a semicircular 'rotor', an eccentric weight that turns on a pivot, visible at the back of the watch. The Watch Winder winds the watch when off the wrist.Īutomatic Watches, invented by Perrelet in the 1770's, are wound by the swinging motion of the wearers arm. To keep the watch running one may need a watch winder.Ī Watch Winder is a device specifically designed for Automatic Watches. At Zulutimezone many of the watches are powered by automatic winding like the handsome Croton Imperial Automatic.