Early Chronographs (pre-Daytona) 4500

Follow-up to the 3525 and the first Rolex chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. in the Oyster case form of the early Datejust, with straighter lugs and a screw-down back. One of the few Oyster chronographsChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. with only a 30-minute register. Valjoux 23; applied markersNumerals or hour markers attached above the dial surface, often by riveting. Applied describes their construction; it does not identify the metal or establish the originality of a vintage dial. A maker’s use of gold for its own markers should not be assumed for other brands. on most dials.