Silver-tone stainless steel case with a blue fabric strap. Uni-directional rotating blue 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 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. Buckle clasp. Water resistant at 200 meters / 660 feet. Functions: hour, minute, second, chronometer. Black Bay Fifty-eight Series. Casual watch style. Watch label: Swiss Made. Item Variations: 79030B-0003. Pre-owned Tudor Black Bay Fifty-Eight Automatic Chronometer Blue Dial Mens Watch 79030B.