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BALANCE WHEEL

A component at the heart of the regulating system of the watch. Like a pendulum in a clock, the balance wheel oscillates back and forth to control the watch’s timekeeping accuracy.

Barrel Wheel

A drum-like component that holds the watch’s mainspring. Together, they store the watch’s energy and power reserve.

Bezel

The rim-like component that frames the perimeter of a watch dial. A bezel can be plain, decorated or etched with markings to help to measure speed, distance or elapsed time. It can also be fixed in position or, depending on usage, rotated bi- or unidirectionally.

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