I'm sorry to hear about your loss.
Here is a thread with info from a couple more of his victims:
https://www.rolexforums.com/showthread.php?t=931385
You should update that thread or this thread with any contact info; name, email address, phone numbers, address, bank info for this person. The scammer will probably be back using a different username soon. By providing this info, you can prevent someone else being scammed.