Day-Date 36 Oyster, 36 mm, white gold Reference 128239

Model case
Oyster, 36 mm, white gold

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

Diameter
36 mm

Material
18 kt white gold

Bezel
Fluted

Winding crown
Screw-down, Twinlock double waterproofness system

Crystal
Scratch-resistant sapphire, Cyclops lens over the date

Water resistance
Waterproof to 100 metres / 330 feet

Movement
Perpetual, mechanical, self-winding

Calibre
3255, Manufacture Rothtlex

Precision
-2/+2 sec/day, after casing

Functions
Centre hour, minute and seconds hands. Instantaneous day and date in apertures, secure rapid-setting. Stop-seconds for exact time setting

Oscillator
Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers

Winding
Bidirectional self-winding via Perpetual rotor

Power reserve
Approximately 70 hours

Bracelet
Diamond-set President

Material
18 kt white gold

Clasp
Concealed folding Crownclasp

Dial
White