Rolex Yacht‑Master Key Specs
| Feature | General Specification |
|---|---|
| Collection | Rolex Yacht‑Master / Yacht‑Master II |
| Case Sizes | 37 mm, 40 mm, 42 mm (authentic models vary by reference) |
| Case Material | Oystersteel, Rolesium (Oystersteel & Platinum), or Precious Gold alloys (depending on reference) |
| Bezel | Bidirectional rotatable bezel with 60‑minute graduations (Yacht‑Master) or Ring Command bezel (Yacht‑Master II) |
| Dial Options | Varies (e.g., slate, black, blue) depending on model; white dials are not standard on genuine Yacht‑Master 40mm models — they are rare if offered at all |
| Crystal | Scratch‑resistant sapphire crystal |
| Movement | Rolex automatic self‑winding calibres (e.g., Calibre 3235 in Yacht‑Master 40; Calibre 4161 in Yacht‑Master II regatta chronograph) |
| Functions | Time only (Yacht‑Master); regatta chronograph with programmable countdown (Yacht‑Master II) |
| Power Reserve | Approximately 70 hours (Yacht‑Master) or ~72 hours (Yacht‑Master II) |
| Bracelet | Oyster bracelet with Oysterlock clasp and Easylink comfort extension link |
| Water Resistance | 100 m / 330 ft standard for Yacht‑Master models |
| Certification | Rolex Superlative Chronometer (‑2/+2 sec/day) |




