Specifications:
| Brand: | Rolex |
| Model: | Datejust 31 |
| Reference Number: | 278243-0020 |
| CASE | |
| Case Diameter | 31 mm |
| Oyster Architecture | Monobloc middle case, screw-down case back and winding crown |
| Case Material | Yellow Rolesor – combination of Oystersteel and yellow gold |
| Crystal | Scratch-resistant sapphire, Cyclops lens over the date |
| Bezel | Domed |
| Winding crown | Screw-down, Twinlock double waterproofness system |
| Water Resistance | Waterproof to 100 metres / 330 feet |
| DIAL | |
| Dial Color | Silver set with diamonds |
| Dial Details | Diamonds in 18 kt gold settings |
| BRACELET | |
| Band | Jubilee, five-piece links |
| Bracelet Material | Yellow Rolesor – combination of Oystersteel and yellow gold |
| 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) |
| age group | adult |
|---|---|
| brand | Rolex |
| gender | Unisex |
