Established In 1735, Blancpain enjoys the esteemed difference of remaining the oldest watch brand on the earth. From the 1950s, it introduced the Fifty Fathoms diving watches, which were crafted in collaboration Together with the French Navy's overcome swimmers and soon became the regular difficulty from the US Navy SEALs. https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/