This one?:
https://www.rolexforums.com/showthread.php?t=631727
He has listed and sold on here before it seems and keep in mind, it was a holiday weekend. His listings aren't great and the contact info he has there seems a bit suspect to me, lowest price I have seen on a mint 116500 as well. All flags which would have me looking other places.
Were the references he provided ones which you could speak to or email? I would never trust a seller who provided me with references of those I had to email versus call and speak with. Even then, would prefer someone who has bought and/or sold with a member on here. Whenever I sell on here, I treat people as I would like to be treated if I were the one sending the money. Communication is key.