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

[WTS]馃敟ZENITH DEFY SKYLINE BLUE DIAL 41MM BRAND NEW COMPLETE SET馃敟

馃敟ZENITH DEFY SKYLINE BLUE DIAL 41MM BRAND NEW COMPLETE SET馃敟

This is a Zenith Defy Skyline watch featuring a beautiful blue dial and a stainless steel case, measuring 41mm in size.

  • Condition: Brand New
  • Case material: Stainless Steel
  • Dial color: Blue
  • Size: 41MM diameter
Posted at
Dec 24, 2025, 1:27 AM
Active
[WTS] Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

The watch in the listing is a Zenith Defy Skeleton Chrono, which appears to be a high-end luxury watch featuring a skeleton design and chronograph functionality.

  • Item: Zenith Defy Skeleton Chrono
Posted at
Dec 17, 2025, 5:45 PM
Active
>>REDUCED FURTHER<< ZENITH DEFY EXTREME DIVER TITANIUM 5 Year WARRANTY

>>REDUCED FURTHER<< ZENITH DEFY EXTREME DIVER TITANIUM 5 Year WARRANTY

A Zenith Defy El Primero Extreme Diver in Titanium with a black dial, ceramic bezel, and orange highlights.

  • Condition: LNIB (Like New In Box)
  • Diameter: 42mm
  • Water Resistance: 600m
  • Movement: in house El Primero movement
Posted at
Apr 7, 2025, 2:45 PM
Active
Zenith Defy Revival Shadow 97.A3642.670/21.M3642

Zenith Defy Revival Shadow 97.A3642.670/21.M3642

The Zenith Defy Revival Shadow is a high-end watch that comes in superb condition, with minimal signs of wear.

  • Condition: superb, almost like-new
  • Case and bracelet condition: like-new
  • Warranty expiration date: March 2030
  • Shipping method: FedEx Priority
Posted at
Apr 5, 2025, 2:18 AM
Active
LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

A Zenith Defy Classic Black Ceramic Skeleton watch with a 41mm case, dated April 2020. It features a black ceramic case and titanium DLC buckle.

  • Condition: Like New Condition
  • Case diameter: 41mm
Posted at
Apr 1, 2025, 1:01 PM
Active
LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

One of the thinnest Zenith Defy models, with a black ceramic case and titanium DLC buckle.

  • Condition: Like New Condition
  • Case material: Black Ceramic
  • Case size: 41mm
  • Band type: Rubber Strap
Posted at
Mar 30, 2025, 1:11 PM
Active
NEW 2024 Zenith Defy Skyline 41mm 97.9300.3620/79.I001 Titanium

NEW 2024 Zenith Defy Skyline 41mm 97.9300.3620/79.I001 Titanium

This is a brand new 2024 Zenith Defy Skyline 41mm titanium watch, featuring a 7.5-inch wrist size and additional interchangeable night blue rubber strap.

  • Condition: Excellent overall condition
  • Material: Titanium
  • Case Size: 41mm
  • Wrist Size: 7.5inch
Posted at
Mar 26, 2025, 6:23 PM
Active
Zenith Defy Classic "Skeleton" - 95.9000.670/78.m9000 - Skeleton - Titanium

Zenith Defy Classic "Skeleton" - 95.9000.670/78.m9000 - Skeleton - Titanium

The seller is listing a Zenith Defy Classic 'Skeleton' watch, which features a titanium case and skeleton dial.

  • Condition: Pre-Owned - Excellent Grade
  • Case size: 41mm
  • Bracelet type: Titanium
  • Dial description: skeleton
Posted at
Feb 22, 2025, 11:33 PM
Active