Brand: |
Rolex |
Model |
Datejust 31 |
Reference Number: |
278384RBR-0029 |
CASE |
Case Shape |
Round |
Case Diameter |
31 mm |
Oyster Architecture |
Monobloc middle case, screw-down case back and winding crown |
Case Material |
White Rolesor – combination of Oystersteel and white 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 |
Case Back |
Solid |
DIAL |
Dial Color |
Aubergine set with diamonds |
Details |
Large VI set with 11 diamonds |
BRACELET |
Band Material |
Oystersteel |
Band Name |
Oyster, three-piece solid links |
Clasp |
Folding Oysterclasp with Easylink 5 mm comfort extension link |
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 |