A legend in sports timing and official timekeeper of the Indy Racing League. While the company was founded in 1860, the legend of Heuer was born during the Olympic Games of the 1920s. The games were measured by the Mikrograph, designed by the son of the company's founder, it was capable of measuring 100ths of a second with its balance beating at 360,000 oscillations per hour. In 1985, Heuer joined Group TAG (Techniques of Avant-garde). Several models honor the company's long history of sponsoring teams and timing the worlds most famous races - The Monaco Grand Prix, the Carrera Pan-Americana and the Formula One Italian Grand Prix.

TAG Heuer continues to move this brand upmarket, introducing Chronometer certified movements in many models including the Link Calibre 6 and the recently announced Calibre 8 movement for the Grand Carrera GMT as well as an upgraded Calibre 17 RS movement for the Grand Carrera Chronograph. A Zenith designed Calibre 36 Chronograph movement, also Chronometer certified, is available in both the Link and Monza model line.