Cosmograph Daytona [Black and Steel]
126519LN-0002
The triumph of endurance This Oyster Perpetual Cosmograph Daytona in 18 ct white gold with a bright black and steel dial and an Oysterflex bracelet, features a black Cerachrom bezel with tachymetric scale. Reference 126519LN-0002 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 Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale 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 4131, manufacture Rolex Precision -2/+2 sec/day, after casing Functions Centre hour and minute hands, small seconds hand at 6 o'clock. Chronograph via centre seconds hand, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for exact time setting Oscillator Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers Winding Bidirectional self-winding via Perpetual rotor Power reserve Approximately 72 hours Bracelet Oysterflex Material Flexible metal blades overmoulded with high-performance elastomer Clasp Folding Oysterlock safety clasp with Rolex Glidelock extension system Dial Bright black and steel Details Highly legible Chromalight display with long-lasting blue luminescence
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