The Heuer Autavia 2446c MK2 / Mk3 transitional model. serial 144xxx with early MK2 dial and handset and 2. Execution case. (This model can be seen in the Arno Haslinger Heuer Bible, Page 39.) IMO still a very collectible watch although some Heuers are difficult in the recent market. Best
ST 105.012-65 on a strap for the evening as I play with... ...an all Speedmaster bracelet line-up...YaY!!! Left to right: 1506/16, 1171/633, 1450/808, 1450/809, 1479/612, 1489/812 18K, 1498/840, 1499/842, 1998/849, 1998/998 Ti, 1999/849, 1620/977, 1622/977 SS/RG, and 1623/993 Ti