Rolex Oyster Perpetual Ref. 177200 – 70160/en
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Rolex Oyster Perpetual Ref. 177200 – 70160 (case – bracelet)
Press release:
Baselworld 2014 The quintessential Oyster by Rolex
| CASE | |
| Type | Oyster (monobloc middle case, screw-down case back, and winding crown |
| Diameter | 31 mm |
| Material | 904L stainless steel superalloy, satin finished |
| Case back | Screw-down with Rolex fluting |
| Bezel | Domed |
| Winding crown | Screw-down, Twinlock double waterproofness system |
| Crystal | Scratch-resistant sapphire |
| Waterproofness | 100 metres (330 feet) |
| MOVEMENT | |
| Calibre | 2231, Manufacture Rolex Mechanical movement with bidirectional self-winding via Perpetual rotor |
| Precision | Officially certified Swiss chronometer (COSC) |
| Functions | Centre hour, minute and seconds hands Stop-seconds for precise time setting |
| Oscillator | Frequency: 28,800 beats/hour (4Hz) Hairspring with Breguet overcoil Balance wheel with variable inertia High-precision regulating via two gold Microstella nuts Traversing balance bridge |
| Jeweling | 31 rubies |
| Power reserve | Approximately 48 hours |
| DIAL | |
| Colour | White lacquer Azzurro blue, sunray finish |
| Hour markers | Roman numerals III, VI and IX in 18 ct white gold, blue hour ring |
| Hands | 18 ct white gold with phosphorescent material |
| BRACELET | |
| Type | Oyster three-piece solid links |
| Material | 904L stainless steel superalloy, satin finished, polished edges |
| Clasp | Folding Oysterclasp |