If you’re checking a Rolex before selling or borrowing against it, the...

https://www.inter-bookmarks.win/before-taking-a-loan-on-your-rolex-get-the-full-terms-in-writing-275-a-month

If you’re checking a Rolex before selling or borrowing against it, the reference number is between the lugs at 12 o’clock, under the bracelet. Have a watchmaker check it, meet at a staffed shop, and get any loan terms in writing.