Dodane Type 21 Fly Back ChronographThe Dodane French Air Force Issued Chrono We are offering for a sale a Dodane Type 21 fly back chronograph that was issued to and used by the French Air Force,as confirmed by the case back engravings FG stands for fine de garantie which indicated when the watch would next need a service. The type 21 chronos were made especially for the French air force: The steel case had to measure 38mm across , the dial had to be black with Arabic numerals and had