Erhard Junghans, the founder of the traditional German watch manufacturer Junghans, dies on September 9, 1870. Four years before Junghans had started an own watch manufacturing.
The Englishman Edward Brown becomes the sole owner of the manufactureBreguet.
Odin Watch Factory is founded in Bienne by the Lassueur family. It would be taken over by Henry Sandoz around the turn of the century, becoming the famous Sandoz brand.