BRAND : Rolex 

MODEL : Sea-Dweller Deepsea
MODEL NUMBER : 126660-0002
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 : D-Blue
DETAILS : Highly legible Chromalight display with long-lasting blue luminescence
CERTIFICATION : Superlative Chronometer (COSC + Rolex certification after casing)