How To Determine Production Year of Your Rolex Rolex engraves a unique serial number to every watch it makes that helps determine the approximate date, or year of production for that particular watch. These numbers are inscribed by machine on the side of the watch case between the lugs at 6 o’clock. In 2005, however, Rolex began engraving the serial numbers onto the inner rim of the watch, called the “rehaut”, for stylistic reasons. Beginning in 2010, Rolex stopped following any sequential numbering system or order altogether and now engraves its watches with a randomized unique identifying number. While it had been relatively easy to determine a watch’s approximate age, or year of production using a database of lists assembled over the years, this will no longer be possible with these new random mixed serial numbers While there is no “Official” Rolex Serial numbers database list from the Rolex Factory that shows dates of production, the charts below list all the serial numbers gathered by proven sources over the years. See the list below by production year to learn the year your watch was made.

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