THE TACHYMETRIC SLE

HIGH-PERFOANCE CHRONOGRAPH

With its tachymetric scale its three counters and its pushers the Cosmograph Daytona was designed to be the ultimate timing tool for endurance racing drivers. The bezel features a tachymetric scale to read average speed over a given distance based on elapsed time. This scale offers optimal legibility making the Cosmograph Daytona the ideal instrument for measuring speeds up to 400 units per hour expressed in kilometres or miles.

MODEL SE

MODEL SE

Oyster 40 mm Everose gold

OYSTER ARCHITECTURE

Monobloc middle case screw-down case back and winding crown

DIAMETER

40 mm

MATERIAL

18 ct Everose gold

BEZEL

Fixed with engraved tachymetric scale in 18 ct Everose gold

WINDING CROWN

Screw-down Triplock triple waterproofness system

CRYSTAL

Scratch-resistant sapphire

WATER RESISTANCE

Waterproof to 100 metres / 330 feet

MOVEMENT

MOVEMENT

Perpetual mechanical chronograph self-winding

LIBRE

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

BRACELET

Oyster flat three-piece links

BRACELET MATERIAL

18 ct Everose gold

CLASP

Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

DIAL

DIAL

Sundust and black

DETAILS

Highly legible Chromalight display with long-lasting blue luminescence