The Oyster Perpetual 28 is equipped with caliber 2232; the Oyster Perpetual 36 and the Oyster Perpetual 41 with caliber 3230. A distillation of technology, these self-winding mechanical movements – entirely developed and manufactured by Rolex – deliver outstanding performance, particularly in terms of precision, power reserve, convenience and reliability.
Calibers 2232 and 3230 are equipped with a self-winding system via a Perpetual rotor. The first offers a power reserve of approximately 55 hours. For the second, the power reserve extends to approximately 70 hours, thanks to its barrel architecture and the escapement’s superior efficiency.