Jaeger-LeCoultre and Aston Martin, sharing common values of integrity, the pursuit of excellence and a great spirit of innovation, have come together to renew the historical ties that were first created in the 1920s. At that time, Edmond Jaeger was creating an illustrious name for the company in the area of precision instruments in the automotive field. World War I seriously impeded watch production and made diversification a necessity. LeCoultre & Cie (in cooperation with Edmond Jaeger) naturally turned towards mastering other technical fields and explored new inventive horizons. In 1920, LeCoultre and Jaeger exported over 20,000 counters to the United Kingdom. In 1921, Jacques-David LeCoultre and his Parisian partners at Jaeger founded a small workshop in London, Ed Jaeger London Ltd, which, by 1925, specialised in automotive dashboard instruments. In the ensuing period, Jaeger became the prevalent supplier to the most prestigious car companies, including virtually all racing cars as 95% of car races were won by cars equipped with Jaeger counters. The success of Jaeger in this field continued unabated, and the dashboard of the 1.5-litre Aston Martin LM from the 1930s, a class winner in international motor sport, was equipped with Jaeger instruments. After the death of Jacques-David LeCoultre and other key players in the development of automobile and aviation instruments, relations with Jaeger become gradually weaker, and the end of World War II spelled the end of the production of automobile instruments in Le Sentier. The reference in fine watchmaking and the best in performance cars were, however, always destined to meet again, and decided to develop a collection of timepieces in 2004.