Oystersteel case with fixed oystersteel bezel. Features a black dial equipped with luminous silver-tone hands and index hour markers, along with Arabic numeral minute markers at 5-minute intervals arranged around the outer rim. Powered by the Rolex calibre 3230 automatic movement which contains 31 jewels, operates at a frequency of 28800 vph (4Hz), offers approximately 70 hours power reserve. Comes equipped with luminous hands and markers, scratch-resistant sapphire crystal, screw-down crown, solid case back, round shape measuring 40 mm in diameter. Includes an oysterlock fold over clasp mechanism. Water resistant up to 100 meters / 330 feet depth. Analog display dial type. Luxury style watch labeled Swiss Made.