If you’re checking a Rolex before selling or borrowing against it, don’t remove...
https://rileyssmartjournal.cloudhinter.com/posts/is-submariner-enough-info-when-i-m-trying-to-sell
If you’re checking a Rolex before selling or borrowing against it, don’t remove the bracelet just to find the reference number. On many models, it’s engraved between the lugs at 12 o’clock, and a watchmaker can check it without risking a scratch