Rolex Lady Datejust 279178-0021 Silver Roman Numeral Dial 28mm Fluted Bezel Jubilee Bracelet Watch
Specifications:
Brand: | Rolex |
Model: | Lady-Datejust |
Reference Number: | 279178-0021 |
CASE | |
Case Shape | Round |
Case Diameter | 28 mm |
Case Material | 18 kt Yellow gold |
Oyster Architecture | Monobloc middle case, screw-down case back and winding crown |
Crystal | Scratch-resistant sapphire, Cyclops lens over the date |
Bezel | Fluted |
Winding Crown | Screw-down, Twinlock double waterproofness system |
Water Resistance | Waterproof to 100 metres / 330 feet |
Case Back | Solid |
DIAL | |
Dial Color | Silver |
Settings | Roman Numerals |
BRACELET | |
Bracelet Material | 18 kt yellow gold |
Band Name | Jubilee, five-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 |
Complications | Date |
COSC Certified | Superlative Chronometer (COSC + Rolex certification after casing) |