Breitling B04 GMT 46 F4U AB04451A1C1A1 Watch Japan OfficialProduct Overview From the brave first flights to the birth of commercial aviation, Breitling's history is inextricably linked to the history of aircraft. In the 1930s, Breitling's U Boat Aviation division made a name for itself by inventing precise cockpit clocks. Two decades later, they introduced even more innovative flight instruments to the world, such as the Ref. 765 AVI. This watch, a pioneer of pilot watches, serves as the technical foundation