Rolex Datejust 278278-0038 Black Mother-of-Pearl Set with Diamonds 31mm Dial Fluted Bezel President Bracelet Yellow Gold Watch
Specifications:
Brand: | Rolex |
Model | Datejust 31 |
Reference Number: | 278278-0038 |
CASE | |
Case Shape | Round |
Case Diameter | 31 mm |
Oyster Architecture | Monobloc middle case, screw-down case back and winding crown |
Case Material | 18 kt yellow gold |
Bezel | Fluted |
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 |
Case Back | Solid |
DIAL | |
Dial Color | Black mother-of-pearl set with diamonds |
Details | Diamonds in 18 kt gold settings |
BRACELET | |
Band Material | 18 kt yellow gold |
Band Name | President, semi-circular three-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 |
Complications | Date |
COSC Certified | Yes |