I think he makes them quite thick, but that might be a valid concern, I think the nubuck is relatively soft. He will do them waxed/oiled as well if you prefer. I might treat myself to one at some point, will report back if I do. Website says a ten week wait though.
I think suede looks good on a vintage oyster/Datejust. I like these, especially the nubuck ones:
https://heuerville.wordpress.com/heuerville-straps/
(You can order them without the racing-style holes.)