This Oyster Perpetual Cosmograph Daytona in 18 ct yellow gold, with a black dial and an Oyster bracelet, features an 18 ct yellow gold bezel with engraved tachymetric scale.

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.

Reference 116508

MODEL CASE

Oyster, 40 mm, yellow gold

OYSTER ARCHITECTURE

Monobloc middle case, screw-down case back and winding crown

DIAMETER

40 mm

MATERIAL

18 ct yellow gold

BEZEL

Fixed, with engraved tachymetric scale, in 18 ct yellow 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 yellow gold

CLASP

Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

DIAL

Black

DETAILS

Dial with snailed small counters