If you’re checking a Rolex before getting a quote in San Diego, the reference...
https://www.easybookmarkings.win/if-you-re-checking-a-rolex-before-selling-or-borrowing-against-it-in-san-diego
If you’re checking a Rolex before getting a quote in San Diego, the reference number is typically engraved between the lugs at 12 o’clock, under the bracelet. Don’t force the bracelet off just to find it; a watchmaker can check safely