what a most fortunate situation! As for the 5050R I definitely agree with my foreposter as I don't lke the layout either.
As for the 5100, I did own a YG one a couple of years back and did not only find it particularly chunky but most unbalanced, if not ugly as well.
A view you don't see in any catalogue and not to be compared to the original's elegance.
So, the 3970 is by far the most beautiful watch of the three and I already made my choice(s):
and the original