In regards to vintage watches, Rolex is easily the most popular and talked-about brand. Condition plays a vital role in vintage Rolex watch
worth, with some models renowned for their historical significance or celebrated as technological breakthroughs. Timepieces certified by the Official Swiss Chronometer Testing Institute are considered some of the most valuable, while case and Rolex serial numbers
also play a large role in determining the worth of an older Rolex model
. Vintage watches frequently feature lower reference numbers than their modern counterparts, as vintage options are usually emblazoned with four-digit numbers and newer versions six-digit numbers.