Silver-tone stainless steel case and bracelet, fixed silver-tone stainless steel bezel, black dial with luminous analog hands and index hour markers including minute markers around the outer rim. Equipped with Rolex Calibre 2232 automatic movement featuring 31 jewels operating at 28800 vph with a 55-hour power reserve. Protected by scratch-resistant sapphire crystal, screw-down crown, solid case back, round shape measuring 31 mm in diameter using an Oysterlock clasp. Water resistant up to 100 meters / 330 feet and functions include hour, minute, second indication.