Heuer Autavia GMT ref 2446C A stainless steel dual time chronograph wristwatch, circa 1970 Dial: black Calibre: Valjoux cal. 724 manual winding, 17 jewels Case: stainless steel, snap-on back Closure: Heuer leather strap and Heuer steel buckle Dimensions: 40 mm Signed: case, dial and movement Accessories: none Heuer introduced its first Autavia Chronograph in 1962., the introduction of the Heuer GMT followed soon after, around 1969, combining classic Heuer styling with vibrant new colours. International buyers please be advised that straps made of material derived from endangered or otherwise protected species (i.e. alligator and crocodile) are not sold with the watches and are for display purposes only. We reserve the right to remove these straps prior to shipping.