TAG Heuer - a Formula 1 chronograph watch, 40mm. TAG Heuer - a Formula 1 chronograph bracelet watch. Stainless steel case with calibrated bezel. Case width 40mm. Reference CAH1111, serial FY7380. Unsigned quartz movement. Silvered dial with baton hour markers, subsidiary recorder dials to two, six and ten, date aperture between three and four. Fitted to a signed stainless steel bracelet with folding clasp.