opis: | MODEL CASE Oyster, 40 mm, white gold OYSTER ARCHITECTURE Monobloc middle case, screw-down case back and winding crown DIAMETER 40 mm MATERIAL 18 ct white gold BEZEL Fixed, with engraved tachymetric scale, in 18 ct white gold WINDING CROWN Screw-down, Triplock triple waterproofness system CRYSTAL Scratch-resistant sapphire WATER-RESISTANCE Waterproof to 100 metres / 330 feet MOVEMENT Perpetual, mechanical chronograph, self-winding CALIBRE 4130, Manufacture Rolex PRECISION -2/+2 sec/day, after casing FUNCTIONS Centre hour, minute and seconds 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 Paramagnetic blue Parachrom hairspring WINDING Bidirectional self-winding via Perpetual rotor POWER RESERVE Approximately 72 hours BRACELET Oyster, flat three-piece links BRACELET MATERIAL 18 ct white gold CLASP Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link DIAL Steel and black DETAILS Highly legible Chromalight display with long-lasting blue luminescence CERTIFICATION Superlative Chronometer (COSC + Rolex certification after casing) |