Rolex Numbers in Brief: How to decypher Rolex model numbers and understand the significance of the different digits. The reference or model number of a Rolex is located between the lugs at the 12' position.
You’ll even find vintage rolex watches that the model numbers have disappeared with time. The model you gave us is a vintage ladies watch. If you tell us the first three numbers of the serial number and the number of digits in the serial, we can tell you the year of the watch (please do not give anyone the whole serial number)
Rolex first introduced the Explorer in 1954 and this model has remained steady in its features including a black dial with Arabic numbers, no date function and a smooth bezel. The 36mm stainless steel case in model 14270 was updated in in 2010 to the 39mm 214270 model.
Rolex has been engraving their watches with a unique Rolex serial numbers, and Rolex models number since the 1920’s as tool to track the production year of a Rolex watch. The production age of a pre-owned Rolex watch is a significant factor in determining its current market value.
Rolex has an individual model number assigned to every type of watch that it has ever made. Although each watch could actually have a different style of case, dial, hands, bezel and bracelet the model number is that assigned to that type of watch.