2004 Tag Heuer : a chronology Indy 500 chronograph

Indy 500 chronograph': the exclusive chronograph showing TAG Heuer's involvement with IRL and the Indy 500. Since 2004, TAG Heuer is the Official Timekeeper of the Indy Racing League and Indy 500 Race, and masters the challenge of measuring 1/10,000th of a second.