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.
Pierre-Louis Berthoud, known as Louis Berthoud
Swiss chronometer-maker, established in Paris. He was at the head of the workshop belonging to his uncle, Ferdinand Berthoud, later succeeding him. A specialist in precision timepieces, he made marine and pocket chronometers, astronomical clocks and watches. In...