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This Oyster Perpetual Cosmograph Daytona in 18 ct yellow gold, with a bright black and golden, diamond-set dial and an Oysterflex bracelet, features a black Cerachrom bezel with tachymetric scale.
Model Case
Type
: Oyster, 40 mm, yellow gold.
Diameter
: 40 mm.
Material
: Yellow gold.
Bezel
: Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale.
Oyster Architecture: Monobloc middle case, screw-down case back and winding crown.
Winding Crown: Screw-down, Triplock triple waterproofness system.
Crystal: Scratch-resistant sapphire.
Water Resistance: Waterproof to 100 metres / 330 feet.
Movement
Type: Perpetual, mechanical chronograph, self-winding.
Calibre 4131, manufacture Rolex.
Precision: -2/+2 sec/day, after casing.
Oscillator: Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers.
Winding: Bidirectional self-winding via Perpetual rotor.
Power reserve: Approximately 72 hours.
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.
Bracelet
Type: Oysterflex.
Clasp: Folding Oysterlock safety clasp with Rolex Glidelock extension system.
Bracelet Material: Flexible metal blades overmoulded with high-performance elastomer.
Dial
Type: Bright black and golden set with diamonds.
Details: Highly legible Chromalight display with long-lasting blue luminescence.
Package
Original box with documents/certificate and watch repair set.