Too perfect for me, with some serious imperfections...
See, for example, the pulsometer ring, which is eaten by the 2 counters.
Then, the Roman XII and 6 are not my taste at all.
On the other side, the movement is better included on the 5170 than on the 5070.
The case of the 5170 is more elegant than the 5070 one.
But at the end, the 5070 has more charm...
All of these observations are only the reflect of my own taste, of course, and need to be confirmed with an " in the flesh " experience.
Best,
Nicolas