Rolex Yacht‑Master 42 mm — Key Specs
| Feature | Specification |
|---|---|
| Model Name | Rolex Oyster Perpetual Yacht‑Master 42 |
| Case Diameter | 42 mm (Oyster case) |
| Case Material | 18 k White Gold (solid precious metal) |
| Bezel | Bidirectional rotatable 60‑minute graduated bezel with matt black Cerachrom ceramic insert and polished raised numerals |
| Dial Color | Typically Black (official Rolex editions) — white/other dial colors are not standard |
| Crystal | Scratch‑resistant sapphire with Cyclops magnifier over date |
| Movement | Rolex Calibre 3235 automatic, self‑winding |
| Power Reserve | Approx. 70 hours |
| Functions | Hours, minutes, seconds, date with rapid setting |
| Bracelet/Strap | Oysterflex (high‑performance elastomer) with flexible metal blades |
| Clasp | Oysterlock folding safety clasp with Rolex Glidelock extension system |
| Water Resistance | 100 m / 330 ft |
| Certification | Rolex Superlative Chronometer (‑2/+2 sec/day) |
| Luminescence | Chromalight long‑lasting blue glow on hands and markers |
| Style Category | Luxury nautical sports watch |




