Card: Rolex 2021
This chronograph was designed to be the ultimate timing tool for endurance racing drivers. More than 50 years after its creation, the Cosmograph Daytona remains in a class of its own among sport chronographs and continues to transcend time.
MODEL CASE
Oyster, 40 mm, white gold
OYSTER ARCHITECTURE
Monobloc middle case, screw-down case back and winding crown
DIAMETER
40 mm
MATERIAL
18 ct white gold
BEZEL
Fixed, with engraved tachymetric scale, in 18 ct white gold
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
18 ct white gold
CLASP
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
DIAL
Bright blue
DETAILS
Highly legible Chromalight display with long-lasting blue luminescence
2021/11 New Card
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