Tag Heuer Grand Carrera Titanium Automatic Watch CAV518B.FC6237 METAL: Black Titanium. MEASUREMENTS: Case 43mm, full size original band, with titanium buckle. MOVEMENT: Automatic, working order. Ref. CAV518B.FC237. Watches are guaranteed to be in running order, if described as such, at the time of listing only. Watches have not been tested for features functionality, unless otherwise stated in description.