If you’re checking a Rolex before selling or borrowing against it in San Diego,...
https://blogfreely.net/neasalnfbo/whats-the-first-thing-a-rolex-buyer-should-ask-me
If you’re checking a Rolex before selling or borrowing against it in San Diego, ask a watchmaker to show you the reference number between the lugs at 6 o’clock. Don’t remove the bracelet yourself. Get a written offer and loan terms before handing it over.