Automatic Tudor Calibre MT5402 Movement, 27 Jewels, Biting at 28800 vph. Approximate 70-hour power reserve. Stainless steel case and bracelet. Sapphire crystal for scratch resistance. Unidirectional rotating stainless steel bezel featuring blue aluminium insert ring(s). Blue dial with luminous silver-tone hands and dot hour markers. Minute markers around the outer rim. Analog Dial Type. Luminescent coating on hands and markers. Screw-down crown, solid case back. Round shape measuring 39 mm in diameter and 11.9 mm thick. Fold over clasp bracelet closure system equipped with a push button release mechanism and measures approximately 20 mm wide at the wrist. Water resistant to 200 meters / 660 feet depth. Chronometer certified precision functions for hours, minutes, seconds.