The Chopard L.U.C. Perpetual Chrono Limited Edition Watch Review Chopard Luxury Watches Swiss watches by wholesalewatches - March 14, 20160 This year, Chopard marks an important milestone for Chopard: the release of its very first, all in-house, perpetual calendar chronograph, the L.U.C. Perpetual Chrono. It is only limites to 20 pieces. The L.U.C. Perpetual Chrono has as its base a movement that is only two years old: the Chopard L.U.C. 03.07-L,