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] 2022 Zenith Defy Black Ceramic Skeleton 2022 with Box and Papers 49.9000.670](https://preview.redd.it/w7f9z20mpz0h1.jpg?width=640&crop=smart&auto=webp&s=5377aa8012db4597ef8a4017b9cae532f4931b82)
2022 Zenith Defy Black Ceramic Skeleton 2022 with Box and Papers 49.9000.670
Up for sale is my Zenith Defy Skeleton in Black Ceramic with Box and Papers, dated 2022.
- Warranty Expiration Date: 8/24/2027
![[WTS] Zenith Defy Blue Dial Full Set – $5,990 Wired/Shipped CONUS Zenith Defy blue dial, pAD purchase Nov 2025. Comes complete with: all boxes and papers OEM rubber strap & bracelet Condition 96% shipped CONUS No trades Happy to provide additional photos, or FaceTime](https://preview.redd.it/jq0wp570lk0h1.jpg?width=640&crop=smart&auto=webp&s=f081579c1328c2c3741c3c605ef583bc2ce360a0)
Zenith Defy Blue Dial Full Set – $5,990 Wired/Shipped CONUS Zenith Defy blue dial, pAD purchase Nov 2025. Comes complete with: all boxes and papers OEM rubber strap & bracelet Condition 96% shipped CONUS No trades Happy to provide additional photos, or FaceTime
This Zenith Defy Blue Dial is a pre-owned timepiece with a condition of 96%. It features a blue dial and comes complete with its original boxes, papers, OEM rubber strap, and bracelet.
- Condition: 96%
- Year Of Purchase: Nov 2025
- Included Accessories: all boxes, papers, OEM rubber strap & bracelet
![[WTS] Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750](https://preview.redd.it/dp01ho394j0h1.jpg?width=640&crop=smart&auto=webp&s=d108de008d11717afca2e0f17296db263b4b189a)
Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750
This is a Zenith Defy Skyline Chronograph, featuring the El Primero 3600 movement that beats at 36,000 vph and drives a 1/10th-second chronograph hand. The watch has a 42mm stainless steel case and a silver dial with a 'Starry Sky' pattern.
- Condition: Excellent
- Movement: El Primero 3600, automatic chronograph
- Frequency: 36,000 vph (5Hz)
- Power reserve: 60 hours
![[WTS] Zenith Defy Classic (49.9000.670/77.R782) — 2022 — Excellent — $6,750 Shipped CONUS](https://preview.redd.it/d1vxaovcbd0h1.jpeg?auto=webp&s=de79f9eccb3068bcaf328d9bcfff20f7e357b3e1)
Zenith Defy Classic (49.9000.670/77.R782) — 2022 — Excellent — $6,750 Shipped CONUS
A Zenith Defy Classic from 2022 is being sold.
- Condition: Excellent
- Year: 2022
![[WTS] Zenith Defy Skeleton. Titanium. Lightweight. Nice sports watch !!](https://preview.redd.it/u9gxp13sa50h1.jpeg?auto=webp&s=d658fcb08df0fbb325b3bcf26fb4d172d39fdfa0)
Zenith Defy Skeleton. Titanium. Lightweight. Nice sports watch !!
A lightweight sports watch with a titanium case, featuring a skeleton design.
- Material: Titanium
![[WTS] 2020 Zenith Defy Classic Skeleton Titanium 95.9000.670/78.M9000 41mm Full Set - $5,995](https://preview.redd.it/m1cubr1mq40h1.jpg?width=640&crop=smart&auto=webp&s=90811e22d711967f7906bfcd58e32baa49f09c82)
2020 Zenith Defy Classic Skeleton Titanium 95.9000.670/78.M9000 41mm Full Set - $5,995
A 2020 Zenith Defy Classic Skeleton Titanium, in excellent condition, is being sold. The watch features a titanium case and has been thoroughly tested.
- Condition: Excellent condition with minimal signs of wear
- Case Size: 41mm diameter
![[WTS] Zenith Defy Skyline Tourbillon Ceramic 49.9300.3630/21.I001 ♦️Brand New 2024♦️](https://preview.redd.it/6lpg62nm6vzg1.jpg?width=640&crop=smart&auto=webp&s=85cff736b5c31d2e7f7d087018fd6a56a3781a19)
Zenith Defy Skyline Tourbillon Ceramic 49.9300.3630/21.I001 ♦️Brand New 2024♦️
A Brand New Zenith Defy Skyline Tourbillon Ceramic watch, featuring a tourbillon and ceramic case.
- Condition: Brand New
- Case Material: Ceramic
- Movement: Calibre 65
- Box And Papers: Yes
![[WTS] 2020 Zenith Defy Classic Skeleton Titanium 95.9000.670/78.M9000 41mm Full Set - $5,995](https://preview.redd.it/kryqd4jdmqzg1.jpg?width=640&crop=smart&auto=webp&s=9366d229cfbc783259f797333270022ffc5bdb60)
2020 Zenith Defy Classic Skeleton Titanium 95.9000.670/78.M9000 41mm Full Set - $5,995
Up for sale is a Zenith Defy Classic Skeleton Titanium, featuring a skeleton design and titanium case.
- Condition: Excellent condition with minimal signs of wear
- Case material: titanium
- Case size: 41mm
![[WTS] Zenith Defy. Titanium. Skeleton. 🔥](https://preview.redd.it/cfihqufcvlzg1.jpeg?auto=webp&s=89196721292caff898ed545d6fbe72a5ed98f124)
Zenith Defy. Titanium. Skeleton. 🔥
A titanium Zenith Defy skeleton automatic watch for sale, featuring a deployant clasp.
- Condition: Very good condition
- Case material: titanium
- Clasp type: deployant