Zenith Defy Defy El Primero 21 Titanium / Diamond / Skeleton / Alligator

Reference 33.9000.9004/78.R582

About this watch

The Zenith Defy El Primero 21 is a masterclass in luxury watchmaking, blending cutting-edge technology with timeless elegance. Its lightweight titanium case and gem-set bezel exude sophistication, while the skeleton dial showcases Zenith's exceptional craftsmanship. At its heart lies the remarkable El Primero 9004 movement, featuring a dual escapement system and cam-actuated chronograph that measures time with astonishing precision. This self-winding marvel boasts a power reserve indicator and water resistance up to 100 meters, making it perfect for both adventure seekers and those who appreciate refined style. With its sleek design and alligator leather strap, the Defy El Primero 21 is a versatile timepiece that effortlessly transitions from formal events to casual outings. Whether you're a seasoned collector or first-time luxury watch buyer, this timepiece will elevate your wrist game to new heights.
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Key Features

  • Lightweight titanium case
  • Gem-set bezel with diamonds
  • Skeleton dial showcasing Zenith's craftsmanship
  • El Primero 9004 movement with dual escapement system
  • Cam-actuated chronograph measuring time up to 1/100 of a second
  • Power reserve indicator at 12:00
  • Water resistance up to 100 meters

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Titanium / Diamond / Skeleton / Alligator
Reference
33.9000.9004/78.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 Classic 95.9000.670/78.M9000 Skeleton Automatic Titanium Bracelet 41mm Full Set

Zenith Defy Classic 95.9000.670/78.M9000 Skeleton Automatic Titanium Bracelet 41mm Full Set

A rugged and modern watch that feels sporty without being bulky, refined without being delicate, with a sharp architectural design and titanium case and bracelet.

  • Condition: Very good overall condition, with light hairline scratches on the bracelet and peeling on the box
  • Case material: Titanium
  • Bracelet material: Titanium
  • Dial color: Blue
Posted at
Dec 13, 2025, 11:10 AM
Active
[WTS] Zenith Defy Skyline 42mm Black for $4500 CONUS

Zenith Defy Skyline 42mm Black for $4500 CONUS

A Zenith Defy Skyline 42mm in black, purchased from Jomashop last year and only worn around 10 times. It includes an International Warranty.

  • Condition: Fair
  • Year of purchase: last year
  • Previous owner's location: Bay Area
  • Warranty: International Warranty
Posted at
Dec 11, 2025, 6:13 PM
Active
[WTS] Zenith Defy Skyline Chronograph - White Dial - Ref. 03.9500.3600/01.I001

Zenith Defy Skyline Chronograph - White Dial - Ref. 03.9500.3600/01.I001

This is a heavy hitter in the integrated sports watch category that offers incredible value compared to its peers, featuring an updated El Primero 3600 high-frequency movement and a stunning white/silver dial with a starry sky pattern.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Movement: El Primero 3600
  • Chronograph Accuracy: 1/10th of a second
Posted at
Dec 9, 2025, 5:57 PM
Active
[WTS] 2021 Zenith Defy Classic Titanium 95.9000.670/78.R584 - Full Set on Titanium Bracelet

2021 Zenith Defy Classic Titanium 95.9000.670/78.R584 - Full Set on Titanium Bracelet

A 2021 Zenith Defy Classic Titanium watch on a titanium bracelet, available for sale as a full set.

  • Bracelet type: titanium
Posted at
Dec 8, 2025, 3:35 PM
Active
[WTS] Zenith Defy Skeleton - White Ceramic - 2021 Full Set - Mint Condition

Zenith Defy Skeleton - White Ceramic - 2021 Full Set - Mint Condition

This Zenith White Ceramic Defy Classic Skeleton watch features a unique skeleton design and a classic case shape, with a ceramic case that is exceptionally light on the wrist.

  • Condition: Excellent/Mint Condition
  • Size: 41mm diameter
  • Year: 2021
Posted at
Dec 7, 2025, 4:57 PM
Active
[WTS] Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

No watch description provided.

  • Model: Defy Skeleton Chrono
Posted at
Dec 5, 2025, 2:56 PM
Active
[WTS] Zenith Defy Skyline 41mm Blue - The Best Integrated Bracelet Under $10K (Fight Me)

Zenith Defy Skyline 41mm Blue - The Best Integrated Bracelet Under $10K (Fight Me)

Zenith - Defy Skyline · $5,450
The Zenith Defy Skyline 41mm Blue is a high-end watch featuring an El Primero 3620 movement, which runs at 36,000 VpH. It has an integrated bracelet and a unique sub-dial that rotates every 10 seconds.

  • Condition: Mint/Excellent
  • Movement: El Primero 3620
  • Rotation speed: 36,000 VpH (5Hz)
  • Bracelet size: 41mm case with integrated bracelet
Posted at
Dec 1, 2025, 11:48 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