Jaeger-LeCoultre Since the founding of Jaeger-LeCoultre in 1833, the company has had a very inventive history, developing over 1,249 mechanical calibres, registering over 400 Patents and playing a tremendous role in the development of the industry as a whole. Whether it is the keyless watch, the calibre 101, or the iconic Reverso, it would be difficult to imagine a historical account of watchmaking without the mention of Jaeger-LeCoultre. It is not so well known that in addition to producing movements for its own watches, Jaeger-LeCoultre has always produced a great many movements for a number of famous watch houses including Vacheron Constantin, Audemars Piguet, IWC and Cartier. Indeed for most of the 20th Century, Jaeger-LeCoultre even supplied bare movements to the great firm .
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