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Case | : | Type Oyster (monobloc middle case, screw-down case back, winding crown and chronograph pushers) |
Diameter | : | 40 mm |
Material | : | 950 platinum, polished finish |
Case back | : | Screw-down with Rolex fluting |
Bezel | : | Chestnut brown monobloc Cerachrom in ceramic, engraved numerals and graduations coated with platinum via magnetron sputtering |
Winding crown | : | Screw-down, Triplock triple waterproofness system |
Crown guard | : | Integral part of the middle case |
Crystal | : | Scratch-resistant sapphire |
Waterproofness | : | 100 metres (330 feet) |
Movement | : | Calibre 4130, Manufacture Rolex Mechanical chronograph movement with column wheel and vertical clutch Bidirectional self-winding via Perpetual rotor on ball bearing |
Precision | : | Officially certified Swiss chronometer (COSC) |
Functions | : | Centre hour and minute hands, small seconds hand at 6 o’clock Chronograph (centre hand) accurate to within 1⁄8 of a second 30-minute counter at 3 o’clock and 12-hour counter at 9 o’clock Stop-seconds for precise time setting |
Oscillator Frequency | : | 28,800 beats/hour (4Hz) Paramagnetic blue Parachrom hairspring Breguet overcoil Large balance wheel with variable inertia High-precision regulating via four gold Microstella nuts Traversing balance bridge |
Jewelling | : | 44 rubies |
Power reserve | : | Approximately 72 hours |
Dial | : | Colour Ice blue |
Counters | : | Chestnut brown lacquer, 18 ct white gold border |
Hour markers | : | Highly legible Chromalight appliques (long-lasting luminescence) in 18 ct white gold |
Hands | : | Chromalight hands in 18 ct white gold |
Bracelet | : | Type Oyster, three-piece solid links |
Material | : | 950 platinum, polished centre links, satin-finished outer links with polished edges |
Clasp | : | Folding Oysterlock safety clasp Easylink 5 mm comfort extension link |