Defying the impossible

The Oyster Perpetual Rolex Deepsea in Oystersteel with a Cerachrom bezel insert in black ceramic and an Oyster bracelet.

Technical details

Reference 136660

Model case

Oyster, 44 mm, Oystersteel

Oyster architecture

Monobloc middle case, screw-down case back and winding crown. Rolex 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 Rolex

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

Bracelet

Oyster, three-piece solid links

Material

Oystersteel

Clasp

Folding Oysterlock safety clasp with Rolex Glidelock extension system

Dial

D-blue

Details

Highly legible Chromalight display with long-lasting blue luminescence