Zenith Defy Defy El Primero 21 Black Ceramic / Skeleton / Alligator / Boutique Edition
Reference 49.9001.9004/78.R915
About this watch
The Zenith Defy El Primero 21 Black Ceramic is a masterpiece that combines elegance, functionality, and cutting-edge technology. Its striking design featuring a black ceramic case and skeleton dial exudes confidence and sophistication. The watch comes with an alligator leather strap, enhancing its luxurious feel. At the heart of this timepiece lies the Zenith caliber El Primero 9004, a marvel of modern horology. This self-winding movement is designed with a cam-actuated chronograph capable of measuring time with astonishing precision—up to 1/100 of a second! The watch features a water resistance of up to 100 meters and comes with a limited edition status, making it an attractive option for collectors looking to invest in a piece that will likely appreciate over time. With its unique features, striking design, and limited availability, the Zenith Defy El Primero 21 Black Ceramic stands as a beacon of what true watchmaking should be.
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Key Features
- 44mm round black ceramic case
- Zenith caliber El Primero 9004 movement
- Self-winding chronograph with 1/100 second precision
- Limited edition status, 250 units produced
- Water resistance up to 100 meters
- Alligator leather strap with deployment clasp
- Chronometer certification
Specifications
- Brand
- Zenith
- Family
- Defy
- Model
- Defy El Primero 21 Black Ceramic / Skeleton / Alligator / Boutique Edition
- Reference
- 49.9001.9004/78.R915
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph
- Chronometer, Power Reserve Indicator
- Case
- 44mm
- Dial Color
- Skeleton
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings

Pre-Owned Zenith DEFY Classic Skeleton Fusalp LE 49.9000.670-1/22.R797
A pre-owned Zenith DEFY Classic Skeleton Fusalp LE limited to 300 pieces, featuring an automatic movement, ceramic material, skeleton dial, and 100m water resistance.
- Condition: 95% due to faint marks on the sides and back of the case, strap in 94% condition with minor wear and creasing
- Movement Type: Automatic
- Case Size: 41mm diameter
- Material: Ceramic
![[WTS] ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $5900 CON U.S.](https://preview.redd.it/ohps2v5rykze1.jpg?width=640&crop=smart&auto=webp&s=d4379cdb9cf5389001f1dd2f10033b7ecd999d26)
ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $5900 CON U.S.
A 41mm white ceramic Zenith Defy Classic with an automatic movement, known for its comfort and stylish appearance.
- Condition: Flawless condition
- Case Size: 41mm diameter
- Material: Ceramic
- Movement Type: Automatic
![[WTS] Zenith Defy Skeleton 95.9000.670/78.M9000 full set + OEM strap - $4995](https://external-preview.redd.it/-EDghvtPFR2po-vkeIzfaeZj3PDm_58HHTk-vI1JJ2Y.jpeg?auto=webp&s=10574d0bbb69ea232f48493160e04f1808b93b7e)
Zenith Defy Skeleton 95.9000.670/78.M9000 full set + OEM strap - $4995
This Zenith Defy Skeleton features a titanium case with a grade 5 titanium bracelet, and is powered by the Elite 670 SK movement. It has a 41mm diameter, 100m water resistance, and comes in a full set including box, papers, extra links, and OEM blue leather strap.
- Condition: pre-owned with minor scratches on bezel and titanium bracelet
- Movement: Zenith caliber Elite 670 SK with 50 hour power reserve, silicon pallet lever and escape wheel, and bi-directional quickset date
- Bracelet material: grade 5 titanium
- Water resistance: 100m
Zenith Defy 21 Ultraviolet Skeleton Chrono – BOX & PAPERS – 97.9001.9004/80.R922
This unworn Zenith Defy 21 Ultraviolet Skeleton is a striking and technically impressive timepiece for the individual who dares to stand out. Its microblasted titanium case and vibrant purple accents create a modern and defiant aesthetic, showcasing the high-performance El Primero 21 movement.
- Condition: Unworn
- Model: Defy 21 Ultraviolet
- Msrp: $14,000
- Movement: El Primero 9004
Zenith Defy El Primero 21 Titanium Black 13K MSRP Box Paper 95.9000.9004/78.R582
Stunning Zenith Defy El Primero 21 Titanium with Black Openworked Skeleton Dial & Black Zenith Alligator Strap! Truly striking with the Skeleton, Black, and Titanium contrast!
- Condition: great condition with only minor wear, nothing notable
- Case Diameter: 44.0 mm
- Case Thickness: 14.5 mm
- Lug Width: 23.0 mm
Brand New 2025 Zenith Defy Skeleton Men’s Blue Dial Watch 03.9300.3620/79.I001
The 2025 Zenith Defy Skeleton is a bold fusion of cutting-edge design and mechanical excellence, with its open-worked dial and signature El Primero movement on full display. The striking blue tones, angular steel case, and integrated bracelet create a sleek, futuristic aesthetic.
- Condition: new and unworn
- Case Size: 41mm
- Water Resistance: 100 Meters / 10 ATM
- Power Reserve: Approx. 60 Hours
Zenith Defy El Primero 21 Titanium Black 13K MSRP Box Paper 95.9000.9004/78.R582
This stunning Zenith Defy El Primero 21 Titanium watch features a black openworked skeleton dial and a black Zenith alligator strap. The watch arrives with original Zenith boxes and papers, including an international warranty card, quick-step guide, and manual.
- Condition: Great condition with only minor wear
- Case diameter: 44.0 mm
- Case thickness: 14.5 mm
- Lug width: 23.0 mm

Pre-Owned Zenith DEFY Revival A3691 03.A3642.670/3691.M3642
Pre-owned Zenith DEFY Revival watch in red dial color, automatic movement, stainless steel case (37mm), and 300m water resistance.
- Condition: 82% condition, with marks on lugs, bezel, and case; 78% condition for the bracelet due to marks on links and clasp
- Movement: Automatic
- Case size: 37mm
- Material: Stainless Steel
![[WTS] ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $6500 CON U.S.](https://preview.redd.it/4jgpplt2k2ye1.jpg?width=640&crop=smart&auto=webp&s=bdf4c3f5f297145265138286283563c42bdaa9d5)
ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $6500 CON U.S.
This Zenith Defy Classic features a white ceramic case, automatic movement, and a comfortable design that makes it a conversation starter.
- Condition: Flawless condition
- Case Size: 41mm diameter
- Material: Ceramic
- Movement Type: Automatic