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• 15:51, 11 January 2024 Sfoskett talk contribs created page Eugène Couleru (Created page with "Eugène Couleru was a watchmaker and businessman active in La Chaux-de-Fonds watchmaking after the turn of the century. He was the son of famed watchmaker and inventor Charles Couleru-Meuri and inherited his father's firm. Eugène Couleru was involved in the development of 8-day clocks and watches, which were a huge commercial hit before World War I, and held the Octo brand along with business partner Marc Dubois. Eugène-Léon Couleru was the eldest...")