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] Zenith Defy El Primero 21 $5300 95.9002.9004/78.R584

Zenith Defy El Primero 21 $5300 95.9002.9004/78.R584

The Zenith Defy El Primero 21 is a high-end watch with a unique design and impressive features.

  • Condition: Moderate wear, fully functional
  • Serial number: 78.R584
Posted at
Apr 11, 2026, 9:32 PM
Active
[WTS] Zenith Defy Revival A3691

Zenith Defy Revival A3691

Zenith - A3691 · $5,100
This Zenith Defy Revival features a 37mm stainless steel case with a ruby gradient dial and Cal. Elite 670 automatic movement.

  • Condition: Very good condition, worn
  • Case size: 37mm diameter
  • Water resistance: 300m depth rating
  • Movement type: automatic
Posted at
Apr 19, 2026, 12:12 AM
Active
[WTS] Zenith Defy Revival

Zenith Defy Revival

This listing is for a Zenith Defy Revival, a 37mm watch that comes with a full set.

  • Case size: 37mm
  • Year of manufacture: 2025
Posted at
Apr 18, 2026, 6:43 PM
Active
[WTS] Zenith Defy Skyline Skeleton Black Ceramic

Zenith Defy Skyline Skeleton Black Ceramic

This Zenith Defy Skyline Skeleton features a full ceramic construction with 100M WR and an El primero movement beating at 5Hz, along with a skeletonized dial and rotor.

  • Condition: like new
  • Water Resistance: 100m
  • Power Reserve: 55hr
  • Vibration Per Hour: 36000
Posted at
Apr 17, 2026, 5:51 PM
Active
[WTS] Zenith Defy Skyline Ice Blue Japan Exclusive 03.9300.3620/16.I001 - 9.9/10 - $7,800

Zenith Defy Skyline Ice Blue Japan Exclusive 03.9300.3620/16.I001 - 9.9/10 - $7,800

This is a stunning Zenith Defy Skyline Ice Blue, Japan-exclusive /16 variant with baguette diamond hour markers and an El Primero Caliber 3620 movement.

  • Condition: 9.9/10 - essentially new
  • Case size: 41mm diameter
  • Water resistance: 100m
  • Movement frequency: 5Hz / 36,000vph
Posted at
Apr 15, 2026, 1:18 PM
Active
[WTS] Zenith Defy. Titanium. Skeleton. 🔥

Zenith Defy. Titanium. Skeleton. 🔥

Zenith - Defy Skeleton · $5,250
A Zenith Defy Skeleton watch in titanium, featuring an automatic movement and deployant clasp.

  • Condition: Very good condition
  • Material: Titanium
  • Movement Type: Automatic
Posted at
Apr 13, 2026, 7:39 PM
Active
[WTS] Zenith Defy El Primero 21 $5050

Zenith Defy El Primero 21 $5050

A Zenith El Primero 21 is being sold to fund a Credor purchase during the seller's Japan trip.

  • Condition: Moderate wear, light scratches
Posted at
Apr 13, 2026, 7:32 PM
Active
[WTS] (Zenith) (Defy Classic) (alligator strap and bracelet)

(Zenith) (Defy Classic) (alligator strap and bracelet)

This Zenith Defy Classic features a 41mm titanium case, a silver skeleton dial, and a sapphire crystal. The watch comes with an alligator strap and a stainless steel bracelet.

  • Condition: Good to new
  • Bracelet: Stainless Steel
  • Dial: silver skeleton
Posted at
Apr 13, 2026, 6:45 PM
Active