History:

   1865 - Georges Favre-Jacot(1843-1917) 22 years old founds in Le Locle watch manufacture "Georges Favre-Jacot & Cie".
      1875 - series DÉFI
      1885 - series DIOGÉNE
      1890 - series BILLODES
      1897 - series ZENITH
      1911 - company renamed to "Fabrique de Montres Zenith SA"
      1915 - first watch for military use - US Signal Corps
      1923 - affiliated company in Besancon
      1949 - caliber Cal.135
      1955 - start production SPORTO and PILOT
      1958 - model PORT ROYAL
      1960 - Zenith bought Martel Watch Co. caliber 146 and 156
      1969 - holding MONDIA-ZENITH-MOVADO
      1969 - EL PRIMERO 3019 PHC - first automatic integrated chronograph movement
      1969 - model DEFY
      1971 - holding M-Z-M bought ZENITH RADIO CORPORATION
      1978 - owners change. Holding bought Swiss financial corporation DIXI
      1986 - model ACADEMY
      1994 - kaliber ELITE and model CHRONOMASTER
      2000 - L.V.M.H. - Luis Vuitton,Moet Hennessy bought Zenith