Here are the key specifications for the Rolex Oyster Perpetual 31 mm Turquoise Blue Dial (Reference 277200):
| Feature | Specification |
|---|---|
| Model Name | Rolex Oyster Perpetual 31 mm |
| Reference | 277200‑0007 (Turquoise Blue Dial) |
| Case Diameter | 31 mm |
| Case Material | Oystersteel (904L Stainless Steel) |
| Bezel | Domed Oystersteel Bezel |
| Crystal | Scratch‑resistant Sapphire |
| Dial Color | Turquoise Blue Lacquer with Chromalight Markers |
| Movement | Rolex Calibre 2232, Automatic |
| Power Reserve | Approx. 55 Hours |
| Functions | Hours, Minutes, Seconds |
| Bracelet | Oystersteel Oyster Bracelet (Three‑piece links) |
| Clasp | Folding Oysterclasp with Easylink Comfort Extension |
| Water Resistance | 100 m / 330 ft |
| Certification | Rolex Superlative Chronometer (‑2/+2 sec/day) |
| Luminescence | Chromalight with Long‑lasting Blue Glow |
| Case Back | Screw‑down Solid Back |
| Crown | Screw‑down Twinlock Double Waterproofness System |
