Zenith Defy Defy El Primero 21 Titanium / Skeleton / Alligator

Reference 95.9002.9004/78.R584

About this watch

The Zenith Defy El Primero 21 is a stunning luxury watch that combines innovative technology with sleek design, making it a must-have for watch enthusiasts. This timepiece showcases a perfect blend of aesthetics and functionality, featuring a unique skeleton design that allows the wearer to appreciate the inner workings of the El Primero movement. The titanium case is both lightweight and robust, providing a perfect foundation for the intricate skeleton design. The round shape of the case, coupled with the sapphire glass, adds a touch of elegance while ensuring durability. At the core of the Defy El Primero 21 is the Zenith caliber El Primero 9004, a self-winding movement that features a cam-actuated chronograph capable of measuring time with precision up to 1/100 of a second. The watch also boasts a power reserve indicator for the chronograph and a water resistance of up to 100 meters, making it perfect for everyday wear. With its striking aesthetics, exceptional movement, and practical features, this watch embodies the spirit of modern luxury. Whether you're a seasoned collector or a newcomer to the world of luxury watches, this piece deserves a spot in your collection.
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Key Features

  • Zenith caliber El Primero 9004 self-winding movement
  • Cam-actuated chronograph with precision up to 1/100 of a second
  • Power reserve indicator for the chronograph
  • Water resistance up to 100m
  • Titanium case with sapphire glass
  • Skeleton design showcasing intricate interplay of gears and springs
  • Alligator leather strap with 23mm lug width

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Titanium / Skeleton / Alligator
Reference
95.9002.9004/78.R584
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph
  • Chronometer, Power Reserve Indicator
Case
44mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 2024 Zenith Defy Skyline 41mm

2024 Zenith Defy Skyline 41mm

For sale is a Zenith Defy Skyline 41mm featuring the El Primero 3620 automatic movement with a modern high-beat manufacture caliber and a 1/10th-of-a-second indicator. The watch has been well cared for and comes as a full set, including original box, papers, bracelet, and green rubber strap.

  • Condition: Pre-owned, excellent condition
  • Movement: Zenith El Primero 3620 automatic (36,000 vph)
  • Case Size: 41mm
  • Dial Color: Silver sunburst with engraved four-point star pattern and applied indices with Super-LumiNova
Posted at
Jan 3, 2026, 2:10 PM
Active
[WTS] Zenith Defy 21 Chroma li 2025 44mm - (1 of 500) full set box and papers

Zenith Defy 21 Chroma li 2025 44mm - (1 of 500) full set box and papers

Zenith - Defy 21 Chroma II $11,498
The Zenith Defy 21 Chroma Ii is a bold, colorful watch wrapped in lightweight titanium with a black openworked dial and high-frequency chronograph.

  • Condition: Excellent condition with very little to no signs of wear
  • Case size: 44mm diameter
  • Water resistance: unknown
  • Strap count: 4 (2 extra straps included)
Posted at
Jan 2, 2026, 6:04 PM
Active
[WTS] 2024 Zenith Defy Skyline 41mm

2024 Zenith Defy Skyline 41mm

Zenith - Defy Skyline 41mm $7,300
The Zenith Defy Skyline features the El Primero 3620 automatic movement, a modern high-beat manufacture caliber with a 1/10th-of-a-second indicator. It has a silver sunburst dial with engraved four-point star pattern and applied indices with Super-LumiNova.

  • Condition: Excellent condition
  • Movement: Zenith El Primero 3620 automatic (36,000 vph)
  • Bracelet type: Stainless steel
  • Straps included: Original green rubber strap with quick-change system and original stainless steel bracelet
Posted at
Dec 29, 2025, 6:21 PM
Active
[WTS]馃敟ZENITH DEFY SKYLINE BLUE DIAL 41MM BRAND NEW COMPLETE SET馃敟

馃敟ZENITH DEFY SKYLINE BLUE DIAL 41MM BRAND NEW COMPLETE SET馃敟

This is a Zenith Defy Skyline watch featuring a beautiful blue dial and a stainless steel case, measuring 41mm in size.

  • Condition: Brand New
  • Case material: Stainless Steel
  • Dial color: Blue
  • Size: 41MM diameter
Posted at
Dec 24, 2025, 1:27 AM
Active
>>REDUCED FURTHER<< ZENITH DEFY EXTREME DIVER TITANIUM 5 Year WARRANTY

>>REDUCED FURTHER<< ZENITH DEFY EXTREME DIVER TITANIUM 5 Year WARRANTY

A Zenith Defy El Primero Extreme Diver in Titanium with a black dial, ceramic bezel, and orange highlights.

  • Condition: LNIB (Like New In Box)
  • Diameter: 42mm
  • Water Resistance: 600m
  • Movement: in house El Primero movement
Posted at
Apr 7, 2025, 2:45 PM
Active
Zenith Defy Revival Shadow 97.A3642.670/21.M3642

Zenith Defy Revival Shadow 97.A3642.670/21.M3642

The Zenith Defy Revival Shadow is a high-end watch that comes in superb condition, with minimal signs of wear.

  • Condition: superb, almost like-new
  • Case and bracelet condition: like-new
  • Warranty expiration date: March 2030
  • Shipping method: FedEx Priority
Posted at
Apr 5, 2025, 2:18 AM
Active
LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

A Zenith Defy Classic Black Ceramic Skeleton watch with a 41mm case, dated April 2020. It features a black ceramic case and titanium DLC buckle.

  • Condition: Like New Condition
  • Case diameter: 41mm
Posted at
Apr 1, 2025, 1:01 PM
Active
LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

One of the thinnest Zenith Defy models, with a black ceramic case and titanium DLC buckle.

  • Condition: Like New Condition
  • Case material: Black Ceramic
  • Case size: 41mm
  • Band type: Rubber Strap
Posted at
Mar 30, 2025, 1:11 PM
Active
NEW 2024 Zenith Defy Skyline 41mm 97.9300.3620/79.I001 Titanium

NEW 2024 Zenith Defy Skyline 41mm 97.9300.3620/79.I001 Titanium

This is a brand new 2024 Zenith Defy Skyline 41mm titanium watch, featuring a 7.5-inch wrist size and additional interchangeable night blue rubber strap.

  • Condition: Excellent overall condition
  • Material: Titanium
  • Case Size: 41mm
  • Wrist Size: 7.5inch
Posted at
Mar 26, 2025, 6:23 PM
Active