Silver-tone stainless steel case and bracelet with fixed black bezel. Black dial featuring luminous hands, index hour markers, and a tachymeter scale on the outer rim. Analog chronograph equipped with two sub-dials displaying 45 minute and 60 second functions plus date at the 6 o'clock position. Tudor Calibre MT5813 automatic mechanical movement containing 47 jewels, operating at 28800 vph, featuring a column wheel, power reserve indicator (approx. 70 hours), and analog hour and minute displays with small seconds sub-dial functions. Sapphire crystal for scratch resistance. Screw-down winding/crown with screw-down case back. Round case measures 41 mm in diameter and is 14.4 mm thick. Matching black or other color band not specified but likely included, width approximately 22 mm. Water resistant to 200 meters / 660 feet depth. Black Bay Chrono Series model. Swiss Made luxury watch.