Rolex Datejust 31 31mm Oystersteel Black Dial

Model Case: Oyster, 31 mm, Oystersteel, yellow gold and diamonds Case Diameter: 31 mm Material: Yellow Rolesor - combination of Oystersteel and 18 kt yellow gold Bezel: Domed, set with diamonds Bracelet: Oyster, flat three-piece links Bracelet Material: Yellow Rolesor - combination of Oystersteel and 18 kt yellow gold Winding Crown: Screw-down, Twinlock double waterproofness system Crystal: Scratch-resistant sapphire, Cyclops lens over the date Water Resistance: Waterproof to 100 metres / 330 feet Movement: Perpetual, mechanical, self-winding Calibre: 2235, 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: Winding: Bidirectional self-winding via Perpetual rotor Power Reserve: Approximately 48 hoursDial Color: Datejust 31