Stainless steel case with a stainless steel bracelet. Uni-directional rotating stainless steel bezel with a blue aluminium ring. Blue dial with luminous silver-tone hands and dot hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Tudor calibre MT5402 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: 39 mm. Case thickness: 11.9 mm. Band width: 20 mm. Fold over clasp with a push button release. Water resistant at 200 meters / 660 feet. Functions: hour, minute, second, chronometer. Black Bay Fifty Eight Series. Luxury watch style. Watch label: Swiss Made. Tudor Black Bay Fifty Eight Automatic Chronometer Blue Dial Men's Watch M79030b-0001.