Ref: 7939A1A0NU Case: 39mm stainless steel case with polished and satin finishes Bezel: Unidirectional rotatable bezel in stainless steel with anodised aluminium insert Movement: Manufacture Calibre MT5400-U (COSC and METAS certified) Self-winding mechanical movement with bidirectional rotor system Dial Color: Matt black, domed, with applied hour markers Winding Crown: Stainless steel screw-down winding crown with the TUDOR rose in relief Crystal: Domed sapphire crystal Water Res: Waterproof to 200m (660 ft) Bracelet Type: 5-link stainless steel bracelet with polished and satin finishes with TUDOR “T-fit” clasp