Description
Rolex Day Date 228348rbr-0001 Black Diamonds Dial (2023)
Specifications:
| Brande: | Rolex |
| Model: | Day-Date 40 |
| Reference Number: | 228348rbr-0001 |
| CASE | |
| Case Diameter | 40 mm |
| Oyster Architecture | Monobloc middle case, screw-down case back and winding crown |
| Case Material | 18 kt yellow gold |
| Crystal | Scratch-resistant sapphire, Cyclops lens over the date |
| Bezel | Set with diamonds |
| Winding crown | Screw-down, Twinlock double waterproofness system |
| Water Resistance | Waterproof to 100 metres / 330 feet |
| Clasp | Folding clasp |
| DIAL | |
| Dial Color | Bright black set with diamonds |
| Gem settings | 10 baguette-cut diamonds |
| BRACELET | |
| Band Name | President, semi-circular three-piece links |
| Band Material | 18 kt yellow 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) |
