Zenith Defy Defy El Primero 21 Rose Gold / Skeleton / Alligator
Reference 18.9000.9004/71.R585
About this watch
The Zenith Defy El Primero 21 is a stunning masterpiece that perfectly marries art and engineering. With its unique design and cutting-edge technology, this watch isn't just a tool for telling time; it's a statement. The rose gold case exudes luxury and elegance, while the skeletonized dial reveals the intricate mechanics that make this watch tick. At the heart of the Defy El Primero 21 is the Zenith caliber El Primero 9004, which is nothing short of a technological marvel. This self-winding movement is capable of measuring time with astonishing accuracy, down to 1/100 of a second. The chronograph has a dedicated power reserve of 50 minutes, wound by hand, and features two balance springs made from high-tech 'carbon-matrix carbon nanotube composite.' With a diameter of 44.00 mm and a height of 14.50 mm, the Defy El Primero 21 is a substantial watch that commands attention. The case is paired with an exquisite alligator leather strap that enhances its luxury appeal and adds to the overall comfort.
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Key Features
- Rose gold case
- Skeletonized dial
- Zenith caliber El Primero 9004 movement
- Chronograph function
- Two balance springs
- 100m water resistance
Specifications
- Brand
- Zenith
- Family
- Defy
- Model
- Defy El Primero 21 Rose Gold / Skeleton / Alligator
- Reference
- 18.9000.9004/71.R585
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph
- Chronometer, Power Reserve Indicator
- Case
- Rose Gold 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