Ref. 16520
Cosmograph Daytona
Rolex
“Zenith Daytona”
The ref. 16520 'Zenith Daytona' was the first automatic Daytona, powered by a modified Zenith El Primero calibre that Rolex extensively reworked and designated calibre 4030. Its association with the legendary El Primero movement and the transition to modern Daytona design make it highly collectible.
Retail Status
Discontinued
Market Value
$37,000
Price Analysis
Last updated: 2026-02-14
Flip Potential
Good
Specifications
Complete technical details for the Rolex Cosmograph Daytona
Case
- Diameter
- 40mm
- Thickness
- 12.5mm
- Material
- Stainless steel
- Bezel
- Stainless steel with tachymetric scale
- Crystal
- Sapphire
- Water Resistance
- 100m / 330ft
Movement
- Calibre
- Rolex calibre 4030 (modified Zenith El Primero)
- Type
- Automatic
- Power Reserve
- 52 hours
Bracelet
- Bracelet
- Oyster, three-piece solid links
- Clasp
- Oysterlock safety clasp
- Lug Width
- 20mm
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