1850
- Robert Gerwig founds the watchmakers' school at Furtwangen.
- Marvin is founded in Saint-Imier.
- Vacheron Constantin opens a branch in Calcutta.
- Aron-L. Dennison begins mechanized production of manufacturing watches in the United States.
- Sylvain Mairet of Le Locle imagines a double-action winder for dead seconds with two bodies of gears.