Magnificent collection of autavias - very hard to say which are my favourites, perhaps the 11063 GMT, incredible condition, and the 1163 "orange boy" with diver bezel. Who knows if this was a defined model or not but it certainly would have been an available option from a dealer and it is just a great combination, really cool. Diver 100 is not too shabby either, and, well, ...all of them are great.
One model which I found really interesting in your collection was the 1163 GMT, 1st execution, the one with the perfect 1-2-3-..24 bezel. Do you know the history of the watch? The very early bezels seem to be a dull blue and red, but then there are certainly some genuine Heuer bezels of this style that are more pepsi colored - with a lighter more metallic blue and red. Do you have any observations about these bezels?