Rolex · Daytona
Cosmograph Daytona
Ref. 16520 — “Zenith Daytona”
discontinuedFirst automatic DaytonaDocumentedLast reviewed Not yet reviewed
Reference photography not yet on file
First self-winding Daytona, powered by a heavily modified Zenith El Primero (cal 4030). Dial 'marks' (floating Cosmograph, inverted 6, four-line vs five-line) are central to dating.
At a glance
- Brand
- Rolex
- Collection
- Daytona
- Reference
- 16520
- Production
- 1988–2000
- Caliber
- 4030 (modified Zenith El Primero)
- Case diameter
- 40mm
- Case material
- Stainless steel
Related references
Reference family timeline
Every generation in this lineage in production order. Spans are as documented; an open end means the reference is current or its end year is not established.
- 1988–2000This reference
- 116520
Cosmograph Daytona · 4130
2000–2016 - 2016–2023
- 2023–