Product Description

• MODEL CASE: Oyster, 40 mm, Oystersteel
• OYSTER ARCHITECTURE: Monobloc middle case, screw-down case back and winding crown
• DIAMETER: 40 mm
• MATERIAL: Oystersteel
• 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: Oyster, three-piece solid links
• MATERIAL: Oystersteel
• CLASP: Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
• DIAL: White, black counter rings
• DETAILS: Highly legible Chromalight display with long-lasting blue luminescence

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