39 mm 18 kt yellow gold, satin finished case with open caseback. Unidirectional rotatable bezel in 18 kt yellow gold with 60-minute graduated disc in matte green anodized aluminum and gold gilded markings and numerals. Manufacture Caliber MT5400 (COSC), self-winding mechanical movement with bidirectional rotor system. Green domed dial. 18 kt yellow gold screw-down winding crown, with the TUDOR rose with circular satin-brushed 18 kt yellow gold winding crown tube. Domed sapphire crystal. Waterproof to 200 m (660 ft).
TUDOR pays tribute to the brand's first divers' watches with the Black Bay Fifty-Eight, a model whose dimensions evoke that of the epoch. Fitted with a TUDOR manufacture movement, the Black Bay Fifty-Eight is designed for slim wrists and vintage enthusiasts alike.