Rolex Zenith Daytona

The “Zenith” Daytona refers to the Rolex Cosmograph Daytona models produced from 1988 to 2000, most notably references like the 16520, 16523, and 16528. These were the first automatic Daytonas, powered by a heavily modified Zenith El Primero movement—earning them their nickname. Rolex reworked the high-beat caliber for enhanced reliability and durability, branding it the Caliber 4030. Paired with a larger 40mm case, sapphire crystal, and modern design cues, the Zenith Daytonas marked a turning point for the collection. Now highly collectible, they represent a perfect blend of vintage charm and modern Rolex innovation, bridging the gap between the hand-wound era and the in-house movement age.

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