Established In 1735, Blancpain enjoys the esteemed distinction of becoming the oldest watch brand name on the globe. Inside the 1950s, it launched the Fifty Fathoms diving watches, which were crafted in collaboration with the French Navy's fight swimmers and soon became the regular problem from the US Navy SEALs. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/