Silver-tone 316L stainless steel case with a two-tone (silver-tone and yellow gold ) stainless steel bracelet. Fixed gold-tone bezel with diamond set. Champagne dial with gold-tone hands and index-diamond hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Tudor Calibre MT5201 (COSC) automatic movement with a 50-hour power reserve. Scratch resistant sapphire crystal. Round case shape, case size: 31 mm. Fold over clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second. Black Bay Series. Dress watch style. Watch label: Swiss Made. Tudor Black Bay 31 S G Automatic Diamond Champagne Dial Mens Watch M79613-0007.