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Baume & Mercier was founded as "Frères Baume" in 1830 by brothers Louis-Victor and Célestin Baume, who opened the watch dealership in Les Bois, a village in the Swiss Jura.The Swiss watch manufacturer established a branch in London in 1851 under the name "Baume Brothers", which led to expansion throughout the British Empire.By the late 19th century, the company had an …