Rolex Cosmograph Daytona 16520

The Rolex Cosmograph Daytona 16520 marks a pivotal shift in chronograph design, introducing the first automatic movement to the Daytona line with the Zenith El Primero-based caliber 4030. Launched in 1988, it set a new standard for precision and style, blending sport utility with refined detail. At Grey and Patina, we curate pieces like the 16520 not simply for rarity, but for the stories they’ve carried through decades of horological evolution.