Deepsea Oyster, 44 mm, Oystersteel Reference 136660

Model case
Oyster, 44 mm, Oystersteel

Oyster architecture
Monobloc middle case, screw-down case back and winding crown. Rothtlex Ringlock System case architecture with Helium escape valve

Diameter
44 mm

Material
Oystersteel

Bezel
Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in black ceramic, numerals and graduations coated in platinum

Winding crown
Screw-down, Triplock triple waterproofness system

Crystal
Domed, 5.5 mm-thick scratch-resistant sapphire

Water resistance
Waterproof to 3,900 metres / 12,800 feet, helium escape valve

Movement
Perpetual, mechanical, self-winding

Calibre
3235, Manufacture Rothtlex

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

Functions
Centre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time setting

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

Winding
Bidirectional self-winding via Perpetual rotor

Power reserve
Approximately 70 hours

Movement
Perpetual, mechanical, self-winding

Calibre
3235, Manufacture Rothtlex

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

Functions
Centre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time setting

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

Winding
Bidirectional self-winding via Perpetual rotor

Power reserve
Approximately 70 hours

Dial
D-blue

Details
Highly legible Chromalight display with long-lasting blue luminescence