SPECIFICATIONS: |
|
| Make | Rolex |
| Model | Datejust 31 |
| Reference | 178240-0040 |
| MODEL CASE | |
| Model case | Oyster, 31 mm, Oystersteel |
| Oyster architecture | Monobloc middle case, screw-down case back and winding crown |
| Diameter | 36 mm |
| Material | Oystersteel |
| Bezel | Domed |
| 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 |
| Calibre | 2235, 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 |
| Winding | Bidirectional self-winding via Perpetual rotor |
| Power reserve | Approximately 48 hours |
| BRACELET | |
| Bracelet | Oyster, flat three-piece links |
| Bracelet material | Oystersteel |
| Clasp | Folding Oysterclasp with Easylink 5 mm comfort extension link |
| DIAL | |
| Dial | Dark rhodium raised floral motif |
| CERTIFICATION | |
| Superlative Chronometer (COSC + Rolex certification after casing) | |
| WHAT IS INCLUDED | |
| Box | Original Rolex Watch box |
| Booklets | Yes |
| Warranty | Rolex Warranty card |
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