Zenith Defy Defy El Primero 21 Carl Cox
Reference 10.9001.9004/99.R941
About this watch
The Zenith Defy El Primero 21 Carl Cox is a masterpiece of modern watchmaking, featuring the renowned El Primero 9004 caliber with a cam-actuated chronograph capable of measuring time to 1/100 of a second. This self-winding movement boasts a power reserve for the chronograph of 50 minutes and operates on its own escapement system, with a balance wheel that ticks away at an astounding 360,000 beats per hour. The skeleton design allows you to see the intricate mechanics at work, adding an extra layer of fascination. With its striking design, impressive functionality, and water resistance of up to 100 meters, this watch is perfect for adventurous souls who want to own a piece of horological history.
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Key Features
- Carbon case with sapphire glass
- El Primero 9004 caliber with chronograph function
- Sapphire crystal with anti-reflective coating
- Water resistance up to 100 meters
- 44mm diameter and 23mm lug width
Specifications
- Brand
- Zenith
- Family
- Defy
- Model
- Defy El Primero 21 Carl Cox
- Reference
- 10.9001.9004/99.R941
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph
- Chronometer, Power Reserve Indicator
- Case
- Carbon 44mm
- Dial Color
- Skeleton
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings

ZENITH DEFY EL PRIMERO LAND ROVER Limited Edition
The Zenith Defy El Primero 21 Land Rover Limited Edition features a dark gray dial with orange accents and an in-house El Primero movement.
- Condition: MINT
- Case material: bead blasted titanium
- Diameter: 44mm
- Movement: in house El Primero