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Tag Heuer

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 The Tag Heuer company has its roots in 1860 when Edouard Heuer founded a watchmaking company in St-Imier, Switzerland, patenting his first chronograph in 1882. In 1887 Heuer patented an 'oscillating pinion' still used by major watchmakers for mechanical chronographs. In 1911, Heuer received a patent for the "Time of Trip", the first dashboard chronograph. Designed for use in automobiles and aircraft, two large hands mounted from the center pinion indicate the time of day, as on a traditional clock. A small pair of hands, mounted at the top of the dial (12 o'clock position) indicates the duration of the trip (up to 12 hours). A top-mounted crown allows the user to set the time; a button mounted in that crown operates the start / stop / reset functions of the "duration of trip" counter. Heuer introduced its first wrist chronograph in 1914. The crown was at the twelve o'clock position,  as  these  first  wrist  chronographs  were adapted  from  pocket

chronographs. In 1916, Heuer introduced the "Micrograph", the first stopwatch accurate to 1/100th of a second. This model was soon followed by the "Semikrograph", a stopwatch that offered 1/50th of a second timing, as well as a split-second function (which allows the user to determine the interval between two contestants or events).