Rolex Datejust White 31mm Dial

Brand: Rolex Model: Datejust Reference Number: 278275-0019 CASE Case Shape Round Case Diameter 31 mm Case Material 18 kt Everose gold Winding Crown: Screw-down, Twinlock double waterproofness system Crystal Scratch-resistant sapphire, Cyclops lens over the date Bezel Fluted Screw-in Crown Screw-down, Twinlock double waterproofness system Water Resistance Waterproof to 100 metres / 330 feet Case Back Solid DIAL Dial Color White Setting Roman Numerals BRACELET Bacelet Material 18 kt Everose gold Band Name President, semi-circular three-piece links Clasp Concealed folding Crownclasp MOVEMENT Movement Perpetual, mechanical, self-winding Caliber: 2236, 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: Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers Winding: Bidirectional self-winding via Perpetual rotor Power Reserve: Approximately 55 hours Complications Date COSC Certified Yes