- Girard-Perregaux starts the industrial production of quartz watches. The frequency of 32,768 A/h, applied by Girard-Perregaux, is later adopted as the international standard for quartz watches.
- With the Biostar Certina launches the world's first watch with a display of biorhythms.
- The American Zenith Radio Corporation of Chicago, America's largest group for the manufacture of electronic components, takes over the majority of shares of the watch manufacturer Movado-Zenith-Mondia in June.
1971.txt · Last modified: 02.12.2022 18:48 by 127.0.0.1