1884 : In St-Imier, in the Jura mountains of Switzerland, Léon Breitling opens a workshop specialized in making chronographs and precision counters for scientific and industrial purposes

1892 : In response to his company's significant growth, Léon Breitling relocates in La Chaux-De-Fonds, the center of Swiss watchmaking in those days

1914 : On the demise of Léon Breitling, his son Gaston takes over the firm

1915 : Gaston Breitling creates the firts wristwatch chronograph and subsequently provides pilots with the first wrist instruments

1923 : Br...