Zenith Defy Defy El Primero 21 Titanium / Skeleton / Bracelet

Reference 95.9000.9004/78.M9000

About this watch

The Zenith Defy El Primero 21 Titanium / Skeleton / Bracelet is a masterpiece of watchmaking that combines cutting-edge technology with stunning aesthetics. Released in 2018, this chronograph is part of Zenith's Defy family, renowned for its bold designs and advanced movements. The reference number 95.9000.9004/78.M9000 signifies a model that showcases Zenith's commitment to precision and style. The watch features a round titanium case, measuring 44 mm in diameter and 14.5 mm in height, giving it a robust yet refined appearance. The skeleton design allows you to see the intricate workings of the movement through the dial, adding depth and intrigue. At the heart of the Zenith Defy El Primero 21 is the remarkable El Primero 9004 movement, capable of measuring time with incredible precision. The chronograph function can measure time down to 1/100 of a second, making it a standout feature of this model. With its lightweight titanium construction and water resistance of 100 meters, this watch is designed for everyday use. Whether you're taking a dip in the pool or caught in the rain, the Defy El Primero 21 can handle it. The combination of the bold skeleton design and the titanium material creates a striking aesthetic that's both sporty and elegant, making it versatile enough to wear on any occasion.
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Key Features

  • Titanium case for lightweight durability
  • Skeleton design revealing intricate movement
  • El Primero 9004 movement with chronograph function

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Titanium / Skeleton / Bracelet
Reference
95.9000.9004/78.M9000
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

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
Posted at
Aug 22, 2025, 9:24 AM
Active
[WTS] Zenith Defy Classic Skeleton Titanium & Rose Gold – BOX & PAPERS – 87.9001.670/79.R589

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
Posted at
Aug 21, 2025, 10:50 AM
Active
[WTS] Vintage Zenith Defy A3642

Vintage Zenith Defy A3642

Zenith - A3642 · $1,100
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
Posted at
Aug 20, 2025, 5:47 PM
Active
Zenith Defy Inventor, Limited Edition and discontinued prototype Movement!

Zenith Defy Inventor, Limited Edition and discontinued prototype Movement!

Zenith - 95.9002.9100/76.R919 · $17,250.002
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
Posted at
Aug 17, 2025, 1:20 AM
Active
[WTS] Zenith Defy Skyline 2022 $5650

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
Posted at
Aug 13, 2025, 7:55 AM
Active