In order to find your Rolex serial number, look on the side of the case between the lugs. These will be found behind the bracelet by the 6 oclock area. By noting what this 4-8 digit number is thats engraved on every watch by Rolex, it can be determined what the production date is.

Does a Rolex have a serial number on the back?

Genuine Rolex watches have their serial numbers deeply engraved into the metal, whereas fakes often just have it “etched” with acid. The serial number is located behind where the band connects to the body of the watch, on the six oclock side. “You could no longer date them without going to a Rolex dealer.