39 mm 925 silver case, satin finished Open case back with sapphire crystal Manufacture Calibre MT5400 (COSC) Self-winding mechanical movement with bidirectional rotor system Power reserve of approximately 70 hours 925 silver screw-down winding crown, with the TUDOR rose in relief with circular satin-brushed 925 silver winding crown tub Waterproof to 200 m (660 ft) Unidirectional rotatable bezel in 925 silver with 60-minute graduated disc in matt taupe anodised aluminium and silver gilded markings and numerals Taupe, domed Domed sapphire crystal Brown leather strap with 925 silver buckle