Tudor watch. Black Bay GMT. Steel case and bracelet with polished and satin finish. Riveted steel bracelet with polished and satin finish with folding clasp. Domed sapphire crystal. 41mm case. Domed opaline dial with galvanic finish. Bidirectional rotatable 48 notches bezel in steel with 24-hour graduated anodized aluminium disc in matt burgundy and blue. Manufacture Calibre MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system. Built-in architecture.