42mm 18K yellow gold case, screw-down back, screw-down crown with twinlock double waterproofness system, fluted bezel, scratch-resistant sapphire crystal with cyclops lens over the date, bright black dial, index hour markers, Rolex calibre 9001 automatic movement with 24-hour display on off-centre disc, second time zone, instantaneous annual calendar at 3 o'clock and rapid-setting of the date, month display via 12 apertures around the circumference of the dial, stop-seconds for precise time setting, approximately 72 hours of power reserve, Oysterflex bracelet made from flexible metal blades overmoulded with high-performance elastomer, folding Oysterclasp buckle with glidelock extension system. Waterproof to 100 meters.