Founded As Frères Baume in 1830 in Geneva, by brothers Louis-Victor and Célestin Baume, the manufacturer afterwards partnered with Paul Mercier in 1918, getting the Baume & Mercier We all know nowadays. In the course of a particularly difficult time period with the model, Baume & Mercier joined the Richemont https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/