Rolex Day-Date 40 and 36: new models for 2024

Introduced in 2015, it was featured on the first model released that year and the second in 2019. This caliber includes the patented Chronergy escapement, which combines high energy efficiency and high operational safety. Made from a nickel-phosphorus mixture, this trigger is resistant to strong magnetic fields.

The movement is also equipped with a blue Parachrom spring, made by Rolex from a paramagnetic alloy. This spring also has great stability under temperature changes as well as high shock resistance.

It also features a Rolex curved terminal that ensures a smooth walking experience in all positions. The oscillator is mounted on high-performance Paraflex shock absorbers, developed by the brand and patented, which give the mechanism increased resistance to shock.

As for the swing weight, it is equipped with a ball bearing optimized from 2023.

Caliber 3255 (COCS) is driven by an automatic winding system using a perpetual rotor. Thanks to the barrel architecture and the superior efficiency of the escapement, the power reserve is approximately 70 hours.

The Day-Date 40 and Day-Date 36 watches come with a President bracelet. Created specifically for the Oyster Perpetual Day-Date and introduced in 1956 at the watch’s launch, this three-link bracelet, made exclusively from 18k gold or 950 platinum, is still used on both the Day Date and Datejust today. . in precious metal.

Equipped with an invisible Crownclasp folding clasp, the links inside the links feature Rolex-designed and patented ceramic inserts that enhance smoothness and durability. This watch has a five-year warranty.