Rolex Yacht-Master II 44 mm Oystersteel — Key Specs
| Feature | Specification |
|---|---|
| Model Name | Rolex Yacht-Master II |
| Case Diameter | 44 mm (Oyster case) |
| Case Material | Oystersteel (904L stainless steel) |
| Bezel | Ring Command bidirectional rotatable bezel with blue Cerachrom ceramic insert |
| Dial Color | White lacquer with Chromalight luminescent hands & markers |
| Crystal | Scratch-resistant sapphire crystal |
| Movement | Rolex Calibre 4161 automatic, self-winding |
| Functions | Hours, minutes, small seconds, programmable regatta countdown with mechanical memory and on-the-fly sync |
| Power Reserve | Approximately 72 hours |
| Bracelet | Oystersteel Oyster bracelet (three-piece links) |
| Clasp | Oysterlock folding safety clasp with Easylink 5 mm comfort extension |
| Water Resistance | 100 m / 330 ft with Triplock waterproofing system |
| Certification | Rolex Superlative Chronometer (-2/+2 sec/day) |
| Style Category | Professional Regatta Chronograph |




