Baume et Mercier Watch Classima M0A08850. Slim watches have paradoxically always provided watchmakers with the best means of lending substance to their talent, while also enabling their owners to reveal a noble minded and impeccably well cultured approach. Baume & Mercier watches has made a number of thin watches in the course of its history. First launched in 1965, the ultra thin white gold watch, powered by a self winding micro rotor movement, still offers one of the finest examples of this passion. Representing the ultimate balanced classical watch, this model belonging to the Baume & Mercier museum inspired the Baume & Mercier watches Classima collection and has shaped its success.