With this new addition to the Black Bay family, TUDOR pays tribute to the brand's first divers' watches with a model whose dimensions evoke that of the epoch. Fitted with a new TUDOR manufacture movement, the Black Bay Fifty-Eight is designed for slim wrists and vintage enthusiasts alike. 39 mm steel case with polished and satin finish. Self-winding mechanical movement with bidirectional rotor system. Power reserve of approximately 70 hours. Steel screw-down winding crown, with the TUDOR rose in relief, with circular satin-brushed steel winding crown tube. Unidirectional rotatable bezel in steel with 60-minute graduated disc in matt black anodised aluminium and pink gilded markings and numerals. Black dial, domed. Domed sapphire crystal. Riveted steel bracelet with polished and satin finish, with folding clasp and safety catch