| 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 |
|
|
