39 mm steel case with polished and satin finish Unidirectional rotatable bezel in steel with 60-minute graduated disc in matt blue anodised aluminium and silver gilded markings and numerals Manufacture Calibre MT5402 (COSC) Self-winding mechanical movement with bidirectional rotor system Blue, domed dial Steel screw-down winding crown, with the TUDOR rose, with circular satin-brushed steel winding crown tube Domed sapphire crystal Blue “soft touch” with folding buckle and safety clasp