JLC In the year 1883 Antoine LeCoultre opened his factory in Le Sentier in the Vallée de Joux in Switzerland and began the manufacturing watches. 1931 is the birth of Reverso watch collections that were originally made for Polo players. In the meantime there is Reverso Squadra Hometime with a second time zone display via a skeleton - hourly pointer, Reverso Squadra Chrono GMT, Reverso Squadra World Chronograph in limited edition, Reverso Squadra Classic, with Reverso Squadra lady Duetto dual times, Reverso lady quartz, and Reverso lady Automatic. The master control 1000 hourly clock series is more classical. The master Compressor and the master Compressor Diving Series are sports collections - watches with different levels of the complexity and with different complications. The master Amvox - Aston Martin is the sportier line, nevertheless offers unique and fastidious complications. In all models you find grand Complication with minute repetitions, Tourbillon and perpetual calendars. These are watches designed for extremely strict control, 1,000 hours of continuous testing. Only after successfully passing this test, the watch is permitted to leave the factory. This guarantees a very constant and precise timer from JLC!!