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Parechoc Ltd. of Le Sentier is a maker of watch anti-shock and regulation devices as well as regulation and timing equipment. It is famous for the KIF, Triovis, and similar mechanisms. Starting in 1944, Parechoc competed with Incabloc leveraging the patents of Henri Colomb of Tavannes Watch.


  • KIF A
    • Originally the blade-spring system (also commonly called "Parechoc")
    • Since 1956 a friction-fit "four leaf clover", later called "Flector"
  • KIF 210 (370) - Friction-fit "three leaf clover" since at least 1951
  • Duofix - Since 1957, a combined solution for hole and end stones, hinged lyre shape