40mm 18K yellow gold case, screw-down back, diamond bezel, scratch-resistant sapphire crystal with cyclops lens over the date, onyx dial, 10 baguette-cut hour markers, Rolex calibre 3255 perpetual self-winding movement with centre hour, minute and seconds hands, instantaneous day and date in apertures, unrestricted rapid-setting, and stop-seconds for precise time setting, approximately 70 hours of power reserve, President bracelet with semi-circular three-piece links, concealed folding Crownclasp buckle. Waterproof to 100 metres / 330 feet.