Rolex Daytona Zenith 16520

The Rolex Daytona Zenith 16520 stands as a pivotal chapter in the evolution of sports chronographs, marking the first use of an automatic movement—sourced from Zenith’s El Primero and reworked by Rolex to exacting standards. With its slim case profile, inverted 6 on the subdial, and lustrous dial variations, it’s a reference that captured a turning point in Daytona history. At Grey and Patina, it’s understood for exactly what it is—iconic.