1833 : Founding of the Manufacture
A brilliant inventor and self-taught watchmaker, Antoine LeCoultre (1803-1881) founded his first workshop in 1833, following the invention of a machine to produce watchmaking pinions. Ever since, the Manufacture Jaeger-LeCoultre has developed constantly around the founder's original workshops.

1844: Discovery of the micron
It was neither a physicist nor an engineer who first measured the micron. It was Antoine LeCoultre, in 1844. He had created watch components that were so perfect no tool could actually dete...