Rolex Sea Dweller 44 Oystersteel

ReferenceåÊ126660

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 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, flat three-piece links; BRACELET MATERIAL
Oystersteel; CLASP
Folding Oysterlock safety clasp with Rolex Glidelock extension system. Fliplock extension link

DIAL: Black; DETAILS
Highly legible Chromalight display with long-lasting blue luminescence

CERTIFICATION: Superlative Chronometer (COSC + Rolex certification after casing)