 The movements were produced by LeCoultre.Edmond Jaeger also acquired the patent for the atmospherically driven clock "Atmos" from its inventor Jean-Léon Reutter and licensed it to LeCoultre from 1936 for France, and in 1937 for Switzerland.The collaboration between Jaeger and LeCoultre led to the company being officially renamed "Jaeger-LeCoultre" in 1937.