Datejust
The Oyster Perpetual Lady-Datejust is Rolex’s classic feminine watch par excellence. It is one of the most varied lines in the Oyster Perpetual collection, distinguished by its elegance and refinement.
The 18 ct yellow, white or Everose gold on a Lady-Datejust shines with a special radiance. Rolex has its own foundry and alloys its gold using the purest raw materials. From casting to the shaping and polishing of the gold, everything is carried out with meticulous care to ensure the uncompromising quality of Rolex gold watches. Everose gold, an exclusive 18 ct pink gold alloy developed and patented by Rolex, owes its unique hue to its composition.
The Lady-Datejust is equipped with calibre 2236, a self-winding mechanical movement entirely developed and manufactured by Rolex. A consummate demonstration of technology, this movement carries a number of patents. It offers fundamental gains in terms of precision, power reserve, resistance to shocks and magnetic fields, convenience and reliability.
The oscillator of calibre 2236 has a balance wheel with variable inertia regulated extremely precisely via gold Microstella nuts. It is held firmly in place by a height-adjustable traversing bridge enabling very stable positioning to increase shock resistance. The oscillator is also fitted on high-performance Paraflex shock absorbers, designed and patented by Rolex.
Calibre 2236 incorporates a Syloxi hairspring in silicon, which is patented and manufactured by the brand. Insensitive to magnetic fields, the Syloxi hairspring provides great stability in the face of temperature variations and remains up to 10 times more precise than a traditional hairspring in case of shocks.
The Syloxi hairspring found in calibre 2236 has a geometry that guarantees the regularity of the movement in any position. It also includes a paramagnetic nickel-phosphorus escape wheel.
Calibre 2236 is fitted with a self-winding module via a Perpetual rotor, which ensures continuous winding of the mainspring by harnessing the movements of the wrist to provide constant energy. It offers a power reserve of approximately 55 hours.
The movement of the Lady-Datejust will be seen only by certified Rolex watchmakers, yet it is beautifully finished and decorated in keeping with the brand’s uncompromising quality standards.