What does the number mean on a Rolex?
Fortunately, we can tell you. Rolex model numbers are four, five or six numerical digits long. The first two to four digits describes the type of watch. If the model number is five or six digits long, the second to the last number describes the bezel and the last number describes the metal type the watch is made from.
What is number on back of Rolex?
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.