Hi Eric, Have followed your posts here and on TZ. I also am of the opinion like you the Nautilus is not a proper sports watch. The RM ' s would be nice sports watches.
I'm happy with all my Pateks, but none of them, not even my 5970, is truly a sports watch. When Patek came out with their first in-house chrono movement in the 5959 and then released the 5960, I started expecting a sports watch would be released soon. But...