Cosmograph Daytona Oyster, 40 mm, yellow gold and diamonds Reference 126538TBR

Model case
Oyster, 40 mm, yellow gold and diamonds

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

Diameter
40 mm

Material
18 kt yellow gold with lugs set with diamonds

Bezel
Set with diamonds

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, bright black counter rings set with diamonds

Gem settings
8 baguette-cut diamond-set hour markers, 3 diamond-set hour markers at 3, 6 and 9 o'clock.