The triumph of endurance

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

More Cosmograph Daytonatechnical details

Reference 126505

Model case

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

Perpetual, mechanical chronograph, self-winding

Calibre

4131, manufacture Rolex

Precision

-2/+2 sec/day, after casing

Oscillator

Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers

Winding

Bidirectional self-winding via Perpetual rotor

Power reserve

Approximately 72 hours

Bracelet

Oyster, three-piece solid links

Material

18 ct Everose gold

Clasp

Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

Dial

Bright black and Sundust

Details

Highly legible Chromalight display with long-lasting blue luminescence