Breitling B04 GMT 46 P-51 AB04453A1B1X1 Watch Japan OfficialProduct Overview From its brave first flight to the birth of commercial aviation, Breitling's history is inextricably linked to that of aircraft. In the 1930s, Breitling's U Boat Aviation division made a name for itself by inventing precise cockpit clocks. Two decades later, it introduced even more innovative flight instruments to the world, including the Ref. 765 Avi. This watch, a pioneer of pilot watches, serves as the technical foundation for