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Model case:Oyster, 44 mm, yellow gold
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:18 ct yellow gold
Bezel:Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in blue ceramic, numerals and graduations coated in gold
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:18 ct yellow gold
Clasp:Folding Oysterlock safety clasp with Rolex Glidelock extension system
Dial:Blue
Details:Highly legible Chromalight display with long-lasting blue luminescence
Certification:Superlative Chronometer (COSC + Rolex certification after casing)