Richard Mille as the rest of the watch looks right. The short answer is: I dont know. Richard sometimes does special requests, although I have not heard of him DLC'ing a RM004. But could be wrong. Best idea is to find out the provenance of the watch and f...
and it's a well respected company. Bamford and ProHunter don't offer (at least openly) to PVD pre-owned watches. I've not seen an aftermarket PVD watch of any importance that does not have accompanying details of who did the finishing.