TUDOR Black Bay Fifty-Eight 925. 925 silver 39mm case with a satin finish featuring an unidirectional rotatable bezel in 925 silver with 60-minute graduated disc in matt taupe anodized aluminum and silver gilded markings and numerals, and 925 silver screw down winding crown, with the TUDOR rose in relief with circular satin brushed 925 silver winding crown tube. Manufacture Calibre MT5400 (COSC) self winding mechanical movement with bidirectional rotor system and power reserve approximately 70 hours. Taupe domed dial on a brown leather strap with 925 silver buckle . Waterproof to 200m (660 ft).