41 mm steel case with polished and satin finish. Bidirectional rotatable 48 notch bezel in steel with 24-hour graduated anodized aluminium disc in matte burgundy and blue. Riveted steel bracelet with polished and satin finish with folding clasp and safety catch. Manufacture Caliber MT5652 (COSC), self-winding mechanical movement with bidirectional rotor system, built-in architecture. Black domed dial. Steel screw-down winding crown with the TUDOR rose in relief with circular satin-brushed steel winding crown tube. Domed sapphire and waterproof to 200 m (660 ft). Sixty years of TUDOR diving history distilled into one truly iconic watch. The Black Bay has been updated for 2016 with a mechanical movement manufactured by TUDOR.