Rolex Day-Date 228235-0055 Slate ombré Roman Dial
Specifications:
Brand: | Rolex |
Model: | Day-Date 40 |
Reference number: | 228235-0055 |
CASE | |
Model Case | Oyster, 40 mm, Everose gold |
Oyster Architecture | Monobloc middle case, screw-down case back and winding crown |
Case Diameter | 40 mm |
Case Material | 18 kt Everose gold |
Bezel | Fluted |
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 |
DIAL | |
Dial Color | Slate ombré |
Details | Roman Numerals |
BRACELET | |
Band Name | President, semi-circular three-piece links |
Band Material | 18 kt Everose gold |
Clasp | Concealed folding Crownclasp |
MOVEMENT | |
Movement | Perpetual, mechanical, self-winding |
Calibre | 3255, Manufacture Rolex |
Precision | -2/+2 sec/day, after casing |
Functions | Centre hour, minute and seconds hands. Instantaneous day and date in apertures, secure rapid-setting. Stop-seconds for exact time setting |
Oscillator | Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers |
Winding | Bidirectional self-winding via Perpetual rotor |
Power reserve | Approximately 70 hours |
Certification | Superlative Chronometer (COSC + Rolex certification after casing) |