Marc Dubois

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Marc Dubois was a watchmaker and businessman in La Chaux-de-Fonds around the turn of the century. He took over the 8-day clock business of Léon N. Robert, called Octo, and managed it until his death in 1916.

Marc-Louis Dubois-dit-Cosandier was born on November 10, 1875 in Canton Neuchâtel. He married Fanny Kühne on January 14, 1910 and was officially called March Dubois-Kühne but was commonly known in the watchmaking industry simply as Marc Dubois. He was a member of the Société des Fabricants d'horlogerie de La Chaux-de Fonds and was a respected member of the community.

On June 1, 1910, Dubois purchased the business of Léon N. Robert. The company produced 8-day watches and clocks, which were popular at the time, in a factory at Rue Jacob Brandt 8. Dubois began using the Octo brand name by 1913, and this would be a long-running trademark in the industry.

Although quite young, Marc Dubois suffered a long illness and died on August 8, 1916. He was just 40 years and 9 months old at the time, and left behind his wife, Fanny Dubois-Kühne, and children Marc-André (born 1910) and Willy.


  • CH46730, April 8, 1909 - Montre
  • CH51982, June 7, 1910 - Mouvemenet de montre à marche de longue durée
  • CH68693, April 21, 1914 - Dispositif de fixation de la boîte d'une pièce d'horlogerie, d'une façon amovible, dans un étui-support

See Also