Nice Tourby you hv there bro... Was thinking of getting one last year. Was torn between Tourby or Stowa. But Stowa like IWC has more direct link to pilot watch since it was one of the original manufacturers of B-Uhr for the Luftwaffe. However, Stowa has problem getting movement for their Flieger Original so I ended up getting the Marine Original.
Now I notice that Tourby came up with the big pilot (45mm). This is very tempting since it's only a fraction of the IWC Big Pilot's price.
Eric