Calibre 4131 is powered by the energy-efficient and dependable Chronergy escapement. Made from nickel-phosphorus, this escapement is resistant to strong magnetic fields. Additionally, the movement is fitted with a blue Parachrom hairspring, crafted from a paramagnetic alloy that provides stability against temperature variations and high resistance to shocks. The oscillator is mounted on high-performance Paraflex shock absorbers, boosting the movement’s shock resistance.
With its efficient barrel architecture and superior escapement, calibre 4131 offers a power reserve of approximately 72 hours.
EXCEPTIONAL CRAFTSMANSHIP
Crafted from a solid block of 18K white gold, the 40mm Oyster case of the Cosmograph Daytona is robust, durable and waterproof to a depth of 100m. The case back is hermetically screwed down with a special tool that only Rolex watchmakers can operate, safeguarding the intricate movement within.
Fitted with a triple waterproofness system and protected by an integral crown guard, the Triplock winding crown screws down securely against the case, alongside the chronograph pushers. Enhanced with an anti-reflective coating, the virtually scratchproof sapphire crystal guarantees clarity and protection.
EMBODYING ELEGANCE
The new Cosmograph Daytona models are available in two distinct bracelet options. The first variant, featuring a white mother-of-pearl dial, comes with the Oysterflex bracelet. This bracelet comprises two flexible, curved metal blades over-moulded with high-performance black elastomer. The second variant, with a black mother-of-pearl dial, is mounted on an Oyster bracelet, well known for its robustness.
