Time Capsule: The Landeron 51 & the Era of Chronographe Suisse
Born in the **late 1940s**, the Landeron 51 was part of a revolutionary family of movements that changed chronographs forever. Before it, precision timing was the playground of expensive column-wheel calibers. Landeron’s invention of the **cam-switched chronograph** in 1937 opened the gates—making Swiss chronographs affordable, reliable, and suddenly everywhere.