Before selling or borrowing against your Rolex in San Diego, get a written...

https://mill-wiki.win/index.php/Is_It_Smart_to_Sell_a_Rolex_If_You_Think_It_Might_Keep_Appreciating%3F

Before selling or borrowing against your Rolex in San Diego, get a written offer and ask how the shop verifies the watch and calculates its value