WATCHMAKING DICTIONARY

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  • Alarm

    LEXICON_Alarme

    A mechanical function producing an audible signal as a wake-up call or a reminder. Jaeger-LeCoultre Memovox (“voice of memory”) alarm watches, created in 1950, made watchmaking history. In 1956, the first automatic Memovox model was launched. It led to a world premiere in 1959: The first automatic diver's watch with an alarm, named "Deep Sea Alarm".

     
  • Assembly

    LEXICON_Assemblage2

    After production and decoration in various Jaeger-LeCoultre workshops, the components of each movement are assembled by watchmakers who then adjust them.

     
  • Atmos

    LEXICON_Atmos

    The virtually perpetual Jaeger-LeCoultre clock wound by the tiniest changes in temperature. For over half a century, it has been the Swiss government's official gift to its most prestigious visitors.

     
  • Automatic caliber

    LEXICON_Calibre-automatique

    A caliber fitted with an oscillating weight that automatically winds the watch when it is on the wrist.

     
  • Automatic movement

    LEXICON_Mouvement-Automatique

    A movement fitted with an oscillating weight that automatically winds the watch when it is on the wrist.

     
  • Balance spring

    LEXICON_Spiral-2

    A very fine spring with high elasticity and strength, attached to the balance. Using its return power, the spring drives the oscillations of the balance. To maximize precision, a cylindrical balance spring is fitted in the Jaeger-LeCoultre Master Grande Tradition Tourbillon Cylindrique à Quantième Perpétuel.