Silver-tone stainless steel case, fixed silver-tone stainless steel bezel. Black dial with luminous hour markers and hands. Analog display. Sapphire crystal scratch resistant. Screw down crown, solid case back. Round shape measuring 31 mm in diameter. Equipped with automatic self-winding mechanism powered by Rolex Caliber 2836/7593 (indicated as automatic). Includes safety clasp closure. Water resistant up to 100 meters / 330 feet. Chronometer certified movement, displaying hours, minutes and seconds.