Rolex Datejust 31 278273-0028 ...

Rolex Datejust 31 278273-0028 Oyster, 31 mm, Oystersteel and yellow gold Silver Dial Jubilee Bracelet Specifications: Brand: Rolex Model:  Datejust 31 Reference Number: 278273-0028 CASE Model Case Oyster, 31 mm, Oystersteel and yellow gold Oyster Architecture Monobloc middle case, screw-down case back and winding crown Case Diameter 31 mm Case Material Yellow Rolesor – combination of Oystersteel and yellow gold Crystal Scratch-resistant sapphire, Cyclops lens over the date Bezel Fluted Winding Crown Screw-down, Twinlock double waterproofness system Water Resistance Waterproof to 100 metres / 330 feet DIAL Dial Color White mother-of-pearl set with diamonds Gem Settings Diamonds in 18 kt gold settings BRACELET Material Yellow Rolesor – combination of Oystersteel and yellow gold Band Name Jubilee, five-piece links Clasp Concealed folding Crownclasp MOVEMENT Movement Perpetual, mechanical, self-winding Calibre 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 Certification Superlative Chronometer (COSC Rolex certification after casing)