Purchased from a vintage watch store in Italy. It's in beautiful condition. CWC FAB FOUR British Royal Air Force 6BB Chronograph Cal. Valjoux 7733 1980s This chronograph series, equipped with the Valjoux 7733, was issued to pilots of the British Royal Air Force (6BB) and Royal Navy (0552), and a small number to the Army (W10) from 1970 to 1981. Hamilton, Precista, Newmark, and this CWC (Cabot Watch Co.) manufactured them with the same specifications. These series, manufactured with the same specifications, are called "FAB FOUR." This is the final CWC model issued in 1980. Although the shape of the hands and the design of the dial differ from the 1970s models, this one features a black matte dial with silver lettering. The logo, broad arrow, and tritium mark are silver printed. This model, as indicated by the 6BB marking on the back, was issued to the Royal Air Force. ↓ Here's an article about the CWC Fab Four! https://cwcaddict.com/chronograph-mech7733 #cwc #fabfour #ファブフォー #イギリス軍 #ブロードアロー