Third key date in TAG Heuer's history.
In 1911, Edouard’s sons, Jules Edouard and Charles August Heuer, patent the Time of Trip, the first 12-hour dashboard chronograph for cars and aircrafts. Eight years later, in 1919, the Zeppelin R34, with a Time of Trip on board, makes the first flight over the North Atlantic.
To learn more: http://www.tagheuer.com/int-en/1860-the-first-time-changing-pioneer-in-tag-heuer
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