Zenith Defy Defy El Primero 21 Titanium / Skeleton / Alligator

Reference 95.9000.9004/78.R582

About this watch

The Zenith Defy El Primero 21 is a masterpiece that combines cutting-edge technology with timeless design. The titanium case offers a robust yet lightweight feel, making it comfortable for daily wear. Its skeletonized dial showcases the heart of the watch, allowing you to admire the intricate mechanics at work. The round case measures 44 mm in diameter and features a sapphire glass that protects the watch from scratches while enhancing visibility. At its heart lies the sophisticated Zenith caliber El Primero 9004, a self-winding movement capable of measuring time with incredible accuracy. With a chronograph that can measure up to 1/100 of a second and a power reserve indicator located at 12:00, this watch is perfect for those who appreciate high performance and sophisticated design.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • 44mm titanium case
  • Sapphire glass crystal
  • Zenith caliber El Primero 9004 movement
  • Chronograph with 1/100 second accuracy
  • Power reserve indicator at 12:00
  • Alligator leather strap
  • 100m water resistance

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Titanium / Skeleton / Alligator
Reference
95.9000.9004/78.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 21. Chroma. Limited Edition 200. Box, Papers.

Zenith Defy 21. Chroma. Limited Edition 200. Box, Papers.

A limited edition Zenith Defy 21 Chroma, featuring a unique design and limited to 200 pieces.

  • Edition: Limited to 200 pieces
  • Shipping: FedEx with insurance
  • Global Shipping: Yes
Posted at
Jan 13, 2026, 3:34 PM
Active
[WTS] Zenith Defy Skyline Skeleton 41mm 49.9300.3620/78.1001 BOXES/PAPERS!

Zenith Defy Skyline Skeleton 41mm 49.9300.3620/78.1001 BOXES/PAPERS!

This listing is for a Zenith Defy Skyline Skeleton 41mm timepiece that comes with various accessories and is in good working order.

  • Condition: Excellent pre-owned condition with very light cosmetic wear throughout
  • Case diameter: 41mm
  • Movement: Automatic
  • Crystal: Sapphire
Posted at
Jan 13, 2026, 2:15 PM
Active
[WTS] Zenith Defy Classic Automatic Men’s Watch – White Ceramic – Lightly Worn FULL SET

Zenith Defy Classic Automatic Men’s Watch – White Ceramic – Lightly Worn FULL SET

This is a modern, lightweight luxury sports watch with a fully skeletonized dial and Zenith’s in-house Elite movement.

  • Condition: Lightly worn
  • Case diameter: 41mm
  • Movement jewels: 27
  • Power reserve: ~50 hours
Posted at
Jan 11, 2026, 1:16 PM
Active
[WTS] Zenith Defy Skyline Skeleton Black Ceramic

Zenith Defy Skyline Skeleton Black Ceramic

The Zenith Defy Skyline Skeleton is a high-end watch made from full ceramic construction with a skeletonized dial and rotor. It features an El primero movement beating at 5Hz and has a power reserve of 55 hours.

  • Condition: like new
  • Movement: El primero
  • Vibration rate: 36,000 per hour
  • Power reserve: 55 hours
Posted at
Jan 10, 2026, 3:22 PM
Active
[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
>>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