Antoine LeCoultre founded the prestigious Swiss watch and clock company Jaeger-LeCoultre in 1833. It is headquartered in Le Sentier, Switzerland. The business has been a fully owned subsidiary of the Swiss luxury conglomerate Richemont since 2000, and it is considered as a premier Richemont brand. Its accomplishments include the tiniest movement in the world, one of the most intricate wristwatches in the world (Grande Complication), and a timepiece with nearly perpetual movement (the Atmos clock), in addition to hundreds of innovations, patents, and more than a thousand movements.