An internal cage with the balance wheel, balance spring and escapement completes one full turn on its axis in forty-five seconds.
FORBES: Luxury Watch Exhibit, TimeCrafters, Opens to the Public
The balance wheel beats 28, 800 times per hour and rotates clockwise and counter clockwise on its axis in a large ruby jewel.
FORBES: Fr��d��rique Constant's Heart Beat Manufacture GMT Automatic
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模块上移
模块下移
不移动