A compilation of references, information and expertise. Discover key dates, legendary timepieces, a glossary of watchmaking terms, museums, and the watchmakers who helped shape the history of time measurement.
Swiss watchmaker. A specialist in Swiss lever escapements for watches, he collaborated with his brother Jean (1815-1844), and with Georges-Auguste Leschot. Lechaud and Leschot worked together to perfect the lever escapement which, manufactured industrially from the early...