Rolex Cosmograph Daytona - Inverted 6, 1989

The Cosmograph Daytona reference 16523 represents a special chapter in Rolex history, housing the modified Zenith El Primero movement known as Calibre 4030. This two-tone beauty combines stainless steel with 18K yellow gold throughout its 40mm case and Oyster bracelet, creating that perfect balance between sport and luxury. The fixed 18K yellow gold bezel features the iconic tachymeter engraving that racing enthusiasts love, while the sapphire crystal keeps everything protected. Inside, the COSC-certified automatic movement delivers 54 hours of power reserve and drives the chronograph functions. The example here notably features the 12-hour counter with the rare "inverted 6" - distinctive to early examples. The screw-down pushers and Triplock crown ensure everything stays secure, while the Oysterlock clasp keeps the bracelet firmly in place. Dating to approximately 1989, this Zenith-era Daytona is a highly collectible bridge between vintage manual-wind models and modern in-house movements. Whether you're timing laps or just appreciate exceptional watchmaking, this discontinued piece combines racing heritage with everyday wearability in true Rolex style. Our offering is in very good condition and comes with an original Rolex box, correct for it's period. Ticking per specs. Covered by our limited warranty of 1 year, starting on the date of purchase.