Especially the earlier samples had different pearl and bezel.paint as I recall.
It's getting more and more difficult to keep up with these releases, even more when (like recent h-fac luminors) makers mix old and new parts.
The watch reviewed here should be the "definitive" v1 from kw.
Evaluation is on ALE of course, but as I stated in my review there's little room for improvement here imho.
Pearl might be updated in the future, but colors will always be a discussion factor in any rep because it's impossible to evaluate them correctly without a gen side by side with the rep.