Rolex Yacht-Master Watch 226658 bk

42mm 18K yellow gold case, screw-down back, screw-down crown with triplock triple waterproofness system, bidirectional rotatable 60-minute graduated bezel with matt black cerachrom insert in ceramic, polished raised numerals and graduations bezel, scratch-resistant sapphire crystal with cyclops lens over the date, black dial, Rolex calibre 3235 perpetual self-winding movement with centre hour, minute and seconds hands, instantaneous date with rapid setting, and stop-seconds for precise time setting, approximately 70 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.