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.

• 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