Rolex Lady-Datejust 279381RBR-0018 28mm Chocolate Index Dial Diamond Bezel Oyster Bracelet Watch Technical Specifications: Brand: Rolex Model: Lady-Datejust Reference Number: 279381RBR-0018 CASE Case Shape Round Case Dimensions 28mm Oyster Architecture Monobloc middle case, screw-down case back and winding crown Crystal Scratch-resistant sapphire, Cyclops lens over the date Bezel Set with diamonds Crown Screw-down, Twinlock double waterproofness system Water Resistance 100m/330ft Case Everose Rolesor – combination of Oystersteel and Everose gold DIAL Dial Color Chocolate Details Index dial BRACELET Band Material Everose Rolesor – combination of Oystersteel and Everose gold Band Name Oyster, three-piece solid links Clasp Folding Oysterclasp with Easylink 5 mm comfort extension link 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 COSC Certified Superlative Chronometer (COSC Rolex certification after casing)
