Jaeger-LeCoultre's Reverso is well established in watchmaking lore. The story goes that British army officers in India challenged Swiss businessman César de Trey to devise a solution to stop their wristwatches from being smashed during polo matches.
On his return to Switzerland, de Trey approached his friend, movement manufacturer Jacques-David LeCoultre, for help.LeCoultre then appointed the firm Jaeger S.A.
to create a case and, in turn, Edmond Jaeger enlisted engineer René-Alfred Chauvot, whose patent for a "wristwatch which can slide on its base and flip over on itself", was filed on 4 March, 1931.
After several successful collaborations, Jaeger and LeCoultre joined forces to become Jaeger-LeCoultre in 1937. While other houses used.
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