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40mm 18K yellow gold case, screw-down back, screw-down crown with triplock triple waterproofness system, black monobloc cerachrom bezel in ceramic with moulded tachymetric scale, scratch-resistant sapphire crystal scratch-resistant sapphire, golden and bright black dial, index hour markers, 4131, manufacture Rolex perpetual, mechanical chronograph, self-winding movement with 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, approximately 72 hours of power reserve, Oysterflex strap made from flexible metal blades overmoulded with high-performance elastomer, folding Oysterlock safety buckle with rolex glidelock extension system. Waterproof to 100 metres / 330 feet.
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