In 1833, in the heart of the Vallée de Joux in Switzerland, Antoine LeCoultre (1803-1881) transformed the small barn of his family's home into a watchmaking workshop, where he began to manufacture timepieces of extreme precision. With his great intelligence and strong imagination, this genius inventor was passionate about the challenge of measuring time. Fascinated by precision, Antoine devoted himself to creating the tools necessary to develop tiny components to produce highly sophisticated calibers.