Silver-tone stainless steel case with a black fabric strap. Fixed 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 T600 Automatic movement, containing 25 Jewels, bitting at 28800 vph, and has a power reserve of approximately 38 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 41 mm. Buckle clasp. Water resistant at 150 meters / 500 feet. Functions: hour, minute, second. Black Bay 41 Series. Sport watch style. Watch label: Swiss Made. Item Variations: 79540-0010. Tudor Black Bay 41 Automatic Blue Dial Mens Watch M79540-0010.