Caliber 9001

Introduced in 2012, Caliber 9001 is one of the most complex calibres ever created by Rolex watchmakers. Nonetheless, it is engineered to ensure simplicity of use: a selector wheel on the outside edge of the 9001 ensures the interaction of the movement and the bezel of the watch to set the Sky-Dweller’s functions.

Caliber 9001 Like all Rolex Perpetual movements, the 9001 is a certified Swiss Chronometer, a designation reserved for high-precision watches that have successfully passed the rigorous Swiss Official Chronometer Testing Institute (COSC) tests.

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