Founded As Frères Baume in 1830 in Geneva, by brothers Louis-Victor and Célestin Baume, the model later partnered with Paul Mercier in 1918, turning into the Baume & Mercier We all know today. In the course of a very complicated period of time for that manufacturer, Baume & Mercier joined https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/