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Sunday, April 3, 2011

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Movement:Movement refers to the means by which a watch keeps time and often includes the power source. For example, a watch with mechanical movement uses a spinning balance wheel powered by a tightly wound spring. A watch with Quartz movement measures the vibrations in a piece of Quartz and often is powered by a battery

Crown: Often referred to as the winding crown or winder, a knob used for winding a manual watch, setting the hands to the correct time, and setting the date in calendar-equipped watches. On diving or sport models, the crown may screw down onto a threaded tube, which protrudes from the watch case to better ensure superior water-resistance

Mechanical Movement:A watch’s mechanical movement is based on a mainspring, which, slowly unwinds in a steady motion to provide accurate timekeeping. As opposed to a manual mechanical watch, which needs to be wound on a consistent basis, an automatic mechanical watch requires no winding because its rotor winds the mainspring when the wearer moves their wrist.

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