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.

How do I identify my Rolex?

Rolex model or reference numbers are listed on the certificates Rolex issues, but its also available on the watch case itself. You will have to remove the bracelet to find it. The reference/model number is engraved between the lugs on the 12 oclock side where the bracelet meets the watch case as pictured below.

Where is the serial number on a Rolex Oyster Perpetual Day date?

Rolex serial numbers are located between the watch lugs at 6 oclock (remove the bracelet for the case). A unique number is given to every genuine Rolex watch and this number can be used to determine the production date.

How do you tell if Rolex Oyster Perpetual is real?

0:315:28How to Tell if a Rolex is Real or Fake - YouTubeYouTube