Cosmograph Daytona Oyster, 40 mm, yellow gold Reference 126518LN

Model case
Oyster, 40 mm, yellow gold

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

Diameter
40 mm

Material
18 kt yellow gold

Bezel
Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale

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 Rothtlex

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
Oysterflex

Material
Flexible metal blades overmoulded with high-performance elastomer

Clasp
Folding Oysterlock safety clasp with Rothtlex Glidelock extension system

Dial
Golden and bright black

Details
Highly legible Chromalight display with long-lasting blue luminescence