劳力士 — Rolex Oyster Perpetual Cosmograph Daytona 40mm

劳力士 · Rolex Oyster Perpetual Cosmograph Daytona 40mm｜NOLVA 手表精选。

Case: Diameter: 40 mm. 18k white gold. Monobloc middle case. Screw-down case back and winding crown. Black monobloc cerachrom bezel in ceramic with engraved tachymetric scale. Triplock triple waterproofness system. Waterproof to 100 metres / 330 feet. Dial: Meteorite and black. Highly legible chromalight display with long-lasting blue luminescence. Scratch-resistant sapphire. Movement: Perpetual, mechanical chronograph, self-winding. Calibre 4130, manufacture Rolex. Precision of -2/+2 sec/day, after casing. 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. Paramagnetic blue parachrom hairspring. Bidirectional self-winding via perpetual rotor. Frequency: 28.800 v.p.h. Power reserve of 72 hours. 44 jewels. 31 jewels. Bracelet: Oysterflex bracelet. Flexible metal blades overmoulded with high-performance elastomer. Folding oysterlock safety clasp with easylink 5 mm comfort extension link.

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