FPJ supplies JR with the OEM quick-release springbars, but straps made with these are only available through the FPJ boutiques. JR will of course make straps for any watch, they just won't come with the FPJ springbars.
If becoming a collector and eventually owning many FPJs is a possibility, establishing a relationship with a boutique can be very beneficial. But I also wouldn't bother unless I planned to visit the boutique personally. You didn't mention your location but I'll add some advice on importing watches:
Definitely not my preference. I want to use a domestic point of contact I have an established business relationship with, avoid all the shipping/customs/import drama (this is why I no longer do overseas auctions, b/c it's such a #*$!show), and their CHF asking price is significantly higher plus havi
So, I've always been absolutely enamored with the LM Perpetual movement - hats off to Stephen McDonnell for such a magnificent creation. I've also always wanted to buy an MB&F piece. I was really excited when the LMP Evo was announced as it's something I'd actually wear, so I immediately registered