CC,
Thanks for the puzzling story.
Superb watch; congratulations.
It is amazing how many unusual models were produced by G-P that most people like me would not imagine for that era.
Nowadays, such quirkiness is normal and expected but G-P was doing it already.
Rotating hour indicator.
Tonneau case.
Blue screen dialside.
You may be correct about tan straps enhancing blue dial accents. Omega also issued tan strap with Speedmaster Big Arrow in the early 2000s that had very blue highlights.
Regards
MTF