Rolex Datejust 278285RBR-0021 Slate 31mm Dial Diamond Set Bezel President Bracelet Watch
Specifications:
Brand: | Round |
Model: | Datejust 31 |
Reference Number: | 278285RBR |
CASE | |
Case Shape | Round |
Case Dimensions | 31 mm |
Case Material | 18 kt Everose gold |
Crystal | Scratch-resistant sapphire, Cyclops lens over the date |
Bezel | Set with diamonds |
Screw-in Crown | Screw-down, Twinlock double waterproofness system |
Water Resistance | Waterproof to 100 metres / 330 feet |
Case Back | Solid |
DIAL | |
Dial Color | Slate |
Details |
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BRACELET | |
Band Material | 18 kt Everose gold |
Band Name | President, semi-circular three-piece links |
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) |
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