Rolex · Daytona
Cosmograph Daytona
Ref. 16520 — “Zenith Daytona”
discontinuedFirst automatic DaytonaDocumentedLast reviewed Not yet reviewed
Component compatibility
What this reference is documented to have carried, and in what capacity. A service part is the manufacturer's own work; only a counterfeit classification is a finding against the watch.
Documented calibers
Whole production
Zenith El Primero base, heavily reworked by Rolex. An in-house 4130 in a 16520 is a movement swap, not a variant.