COSMOGRAPH DAYTONA TECHNICAL DETAILS

• MODEL CASE: Oyster, 40 mm, platinum
• OYSTER ARCHITECTURE: Monobloc middle case, screw-down case back and winding crown
• DIAMETER: 40 mm
• MATERIAL: Platinum
• BEZEL: Chestnut brown monobloc Cerachrom bezel in ceramic with moulded numerals and graduations
• WINDING CROWN: Screw-down, Triplock triple waterproofness system
• CRYSTAL: Scratch-resistant sapphire
• WATER RESISTANCE: Waterproof to 100 metres / 330 feet

• MOVEMENT: Perpetual, mechanical chronograph, self-winding
• CALIBRE: 4130, Manufacture Rolex
• PRECISION: -2/+2 sec/day, after casing
• FUNCTIONS: Centre hour, minute and seconds hands, small seconds hand at 6 o’clock. Chronograph (centre hand) accurate to within 1/8 of a second, 30-minute counter at 3 o’clock and 12-hour counter at 9 o’clock. Stop seconds for precise time setting
• OSCILLATOR: Paramagnetic blue Parachrom hairspring
• WINDING: Bidirectional self-winding via Perpetual rotor
• POWER RESERVE: Approximately 72 hours

• BRACELET: Oyster, flat three-piece links
• BRACELET MATERIAL: Platinum
• CLASP: Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link