Rolex Yacht‑Master — Key Specs (Black Dial / 40–41 mm)
| Feature | Specification |
|---|---|
| Model Name | Rolex Oyster Perpetual Yacht‑Master |
| Case Size | 40 mm (typical modern size) |
| Case Material | Oystersteel & Platinum (“Rolesium”) or Precious Metal |
| Bezel | Bidirectional rotatable 60‑minute graduated bezel with platinum or Cerachrom insert (varies by version) |
| Dial Color | Black / Dark Dial with Chromalight luminous hour markers |
| Crystal | Scratch‑resistant sapphire with Cyclops lens over date |
| Movement | Rolex Calibre 3235 automatic, self‑winding (date function) |
| Power Reserve | Approx. 70 hours |
| Functions | Hours, minutes, seconds, instantaneous date |
| Bracelet | Oyster bracelet (Oystersteel or Rolesium) with solid links |
| Clasp | Oysterlock folding safety clasp with Easylink 5 mm comfort extension |
| Water Resistance | 100 m / 330 ft |
| Certification | Rolex Superlative Chronometer (‑2/+2 sec/day) |
| Style Category | Nautical luxury / sport watch |
