A strap change, in my opinion, can completely change the feeling a watch gives. I love experimenting with these combinations. The only drawback is the small army of straps I’m accumulating. It’s fun to pursue that “perfect” matching even if we all know that is a moving target based on lifestyle, preferences, situations, etc.
The combination you chose is really great! I chose a similar strap for my 3940R, which I feel makes it very wearable in casual situations. Here is a picture of it: