Here are the key specifications for the authentic Rolex Yacht-Master II 42 mm Oystersteel — Reference 116680-0002
| Feature | Specification |
|---|---|
| Model Name | Rolex Yacht-Master II 44 mm Oystersteel |
| Reference | 116680-0002 |
| Case Diameter | 44 mm Oyster case |
| Case Material | Oystersteel (904L stainless steel) |
| Bezel | Bidirectional Ring Command bezel with blue Cerachrom ceramic insert |
| Dial Color | White with Chromalight luminescence |
| Crystal | Scratch-resistant sapphire with anti-reflective coating |
| Movement | Rolex Calibre 4161 automatic, self-winding regatta chronograph |
| Functions | Hours, minutes, small seconds, programmable regatta countdown (0–10 min) with mechanical memory and on-the-fly sync |
| Power Reserve | ~72 hours |
| Bracelet | Oyster bracelet in Oystersteel with polished center links |
| Clasp | Oysterlock folding safety clasp with Easylink 5 mm comfort extension |
| Water Resistance | 100 m / 330 ft with Triplock triple waterproofness system |
| Certification | Superlative Chronometer (COSC + Rolex after casing) |
| Style Category | Professional sports / regatta timer |
