Unique Serial Number Gucci Watch. Most of the serial codes are found on the reverse of the leather internal tag, just next to any internal zipper, in the inside of bags. The serial number could be located in two places.
Carefully look for proof of purchase such as serial number and sales associate contact for verification. For gucci purses sold on ebay or via other online retailers, look for closeup pictures of the gg logo. The fake pieces, on the other hand, may feature odd spacing and always differ in size.
