Heuer, "Autavia Chronograph", Ref. 7763C. Circa 1960's. Fine, water-resistant, stainless steel wristwatch with round button chronograph, date and register. MH bezel.
The Autavia 7763C, was the snap back evolution of reference 3646, a two subdial manual wind caliber Autavia with a screw back case which was often worn by Mario Andretti.
This 7763 Compressor here Autavia is in splendid condition with beautiful patina on the tritium markers.