Rolex Perpetual Datejust 31 Watch, 18k Yellow Gold and diamonds. White dial with Roman Numerals hour markers. The 18k Yellow Gold set with 46 Diamonds Bezel, Oyster 18k Yellow Gold Bracelet, 278288rbr-0008. Rolex Datejust 31, 18k Yellow Gold and diamonds. White dial with Roman Numerals hour markers. The 18k Yellow Gold set with 46 Diamonds Bezel. The Watch comes with Mechanical Self-winding Movement & 2236 Caliber w/ 31 jewels & 55 hours power reserve. The Oyster 18k Yellow Gold bracelet with concealed folding Crownclasp. The Waterproof is 100m/330 feet. The Watch is with a Rolex Watch box, Rolex Warranty Card. Covered with Rolex Warranty.
| SPECIFICATIONS: | |
| Make | Rolex |
| Model | Datejust 31 |
| Reference | 278288rbr-0008 |
| MODEL CASE | |
| Model case | Oyster, 31 mm, yellow gold, and diamonds |
| Oyster architecture | Monobloc middle case, screw-down case back, and winding crown |
| Diameter | 31 mm |
| Material | 18 ct yellow gold |
| Bezel | Set with diamonds |
| 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 | |
| Movement | Perpetual, mechanical, self-winding |
| Caliber | 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 |
| BRACELET | |
| Bracelet | Oyster, flat three-piece links |
| Bracelet material | 18 ct yellow gold |
| Clasp | Concealed folding Crownclasp |
| DIAL | |
| Dial | White |
| CERTIFICATION | |
| Superlative Chronometer (COSC Rolex certification after casing) | |
| WHAT IS INCLUDED | |
| Box | Original Rolex Watch box |
| Booklets | Yes |
| Warranty | Rolex Warranty card |