Silver-tone stainless steel case and bracelet. Uni-directional rotating silver-tone stainless steel bezel. Blue dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Tudor Calibre MT5400 Automatic movement, containing 27 Jewels, bitting at 28800 vph, and has a power reserve of approximately 70 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 37 mm, case thickness: 11.2 mm. Band width: 20 mm. Fold over clasp. Water resistant at 200 meters / 660 feet. Functions: hour, minute, second, chronometer. Black Bay Series. Luxury watch style. Watch label: Swiss Made. Tudor Black Bay 54 Automatic Chronometer Blue Dial Mens Watch M79000-0001.