Zenith Defy Defy El Primero 21 Black Ceramic / Skeleton / Alligator
Reference 49.9000.9004/78.R582
About this watch
The Zenith Defy El Primero 21 Black Ceramic / Skeleton / Alligator is a stunning timepiece that showcases exceptional craftsmanship and innovative technology. Its skeleton design allows you to see the intricate workings of the movement, making it a fantastic conversation starter. The black ceramic case adds a modern touch, while the open-back design gives a sneak peek at the beautifully crafted movement. With its dual escapement system, this watch maintains a high level of accuracy, ensuring consistent performance whether using the chronograph or just checking the time. The watch comes with a power reserve indicator for the chronograph and an alligator leather strap that adds a touch of elegance. Whether you’re dressing up for a formal occasion or going casual, this strap has you covered. With its striking contrast between the skeleton design and bold black ceramic case, this watch is easy to read in any lighting condition. At 44 mm in diameter and 14.5 mm in height, the Defy El Primero 21 has a substantial presence on the wrist, but it’s surprisingly comfortable to wear thanks to its ergonomic design.
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Key Features
- Zenith Caliber El Primero 9004 Movement
- Dual Escapement System for Precise Timing
- Skeleton Design with Black Ceramic Case
- Chronometer Certified for Accuracy
- Power Reserve Indicator for Chronograph
- Alligator Leather Strap with Adjustable Lug Width
Specifications
- Brand
- Zenith
- Family
- Defy
- Model
- Defy El Primero 21 Black Ceramic / Skeleton / Alligator
- Reference
- 49.9000.9004/78.R582
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph
- Chronometer, Power Reserve Indicator
- Case
- 44mm
- Dial Color
- Skeleton
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
![[WTS] Zenith Defy Classic Skeleton 95.9000.670/78.R584 Full Kit](https://preview.redd.it/ye2ug6r6okkf1.jpeg?auto=webp&s=dcb2825db73d8ed1c5d5ef31aad58e91be0eec5a)
Zenith Defy Classic Skeleton 95.9000.670/78.R584 Full Kit
Up for sale is a Zenith Defy Classic Skeleton watch with a skeleton dial and automatic movement, coming as full kit with box, papers, and accessories. The watch features a 41mm size and blue crocodile leather strap.
- Condition: Great condition overall, some light wear on titanium case
- Size: 41mm diameter
- Case material: Titanium
- Strap material: Blue crocodile leather
![[WTS] Zenith Defy Classic Skeleton Titanium & Rose Gold – BOX & PAPERS – 87.9001.670/79.R589](https://preview.redd.it/c5sf4yueydkf1.jpg?width=640&crop=smart&auto=webp&s=42a68dabf9c1737a74fcdae060c1fc87932c407b)
Zenith Defy Classic Skeleton Titanium & Rose Gold – BOX & PAPERS – 87.9001.670/79.R589
This Zenith Defy Classic Skeleton Titanium & Rose Gold features a titanium case paired with a rose gold bezel, skeleton dial, and sleek black rubber strap. It's a striking choice that balances refined style with everyday wearability.
- Condition: Very good, with some minor signs of wear
- Case diameter: 41mm
- Case material: Titanium with Rose Gold bezel
- Bracelet type: Rubber with deployant clasp
![[WTS] Vintage Zenith Defy A3642](https://preview.redd.it/ssdpcin6w8kf1.jpeg?auto=webp&s=ad6159f1787b130b03c050482f78bb05fb2fe05a)
Vintage Zenith Defy A3642
Early 1970s Zenith Defy with an iconic octagonal case and 14-sided bezel. The watch has a sturdy construction and sharp angles similar to the Royal Oak.
- Condition: Pre-owned with cosmetic flaws
- Movement: 2552PC
- Diameter: 37mm
- Lug To Lug: 44.2mm
![[WTS] 2022 Zenith Defy Skyline El Primero 41mm Blue Dial 03.9300.3620 Full Set](https://preview.redd.it/jn596brrd2kf1.jpg?width=640&crop=smart&auto=webp&s=b43fe6a6ac89d4c19f140e2d3fce83caa157d87d)
![[WTS] Zenith Defy Classic Titanium Skeleton 95.9000.670/78.R782 $3,950](https://preview.redd.it/n7k1wkbj32kf1.jpg?width=640&crop=smart&auto=webp&s=1e79d9fac8059bffb52d6c4725656771435d2bfa)
![[WTS] Zenith Defy Skeleton Blue Skeleton🔥Brand New 8/2025, $8800🔥](https://preview.redd.it/1blkv1iaaljf1.jpg?width=640&crop=smart&auto=webp&s=1341542d7ca27bb8f561eabbb1b596c004650395)
Zenith Defy Inventor, Limited Edition and discontinued prototype Movement!
The Zenith Defy Inventor is a revolutionary timepiece featuring a new oscillator system that replaces the typical escapement, balance wheel, and pallet fork, removing about 30 components present in a typical movement. It uses a monolithic silicon disc to vibrate at 18hz, well above the industry standard.
- Movement type: prototype
- Production status: discontinued
- Certification: no COSC or Time Lab certification
![[WTS] Zenith El Primero Defy Skeleton 95.9002.9004/78.R584 $6500](https://preview.redd.it/s5jeb1nuy9jf1.jpg?width=640&crop=smart&auto=webp&s=25e6ec9ed2aaf17a18a5d3354a8ad7e557eaf295)
![[WTS] Zenith Defy Skyline 2022 $5650](https://preview.redd.it/2bhtevw40sif1.jpg?width=640&crop=smart&auto=webp&s=fb1a11aafff2981ab2545e7d7c33553e92f4cf40)
Zenith Defy Skyline 2022 $5650
The Zenith Defy Skyline is a high-frequency automatic watch with a deep blue sunburst pattern dial and engraved four-pointed star motif, featuring a sapphire crystal with anti-reflective treatment on both sides and a 100m water resistance.
- Condition: Excellent - minimal wear
- Case size: 41mm diameter
- Water resistance: 100m (330ft) depth rating
- Movement frequency: 5Hz