 Approximately 52,500 examples of Calibre 497 were produced between 1951 and 1958.It has been said that the whole project for the Futurematic almost made the company bankrupt, as they never fully recovered their investment from sales of the Futurematic series of watches.In 1950, the Manufacture released the Memovox (portmanteau of "memoria" and "vox", “voice of memory”), a year after the model "cricket" was released by "Vulcain".