Heuer | Up/Down ChronographHeuer, founded in 1860 by Edouard Heuer in St Imier, Switzerland, has a rich heritage in precision timekeeping and sports chronographs. Long before becoming TAG Heuer in 1985, the company established itself as a pioneer in chronograph development, creating innovative mechanisms that revolutionized the industry. Heuer's chronographs became essential tools for timing sporting events, from automobile races to Olympic competitions. The "Up Down"