If you’re checking a Rolex before selling or borrowing in San Diego, the...

https://brookssnewinsight.scriblorax.com/posts/what-s-the-first-thing-a-rolex-buyer-should-ask-me

If you’re checking a Rolex before selling or borrowing in San Diego, the reference number is engraved between the lugs, under the bracelet. Don’t force it off. Have a watchmaker inspect the watch, and get any loan terms in writing before handing it over.