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

Reference 33.9000.9004/78.R582

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

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 NOS unworn full set! $4999 obo!

Zenith Defy Classic NOS unworn full set! $4999 obo!

Zenith - Defy Classic · $4,999
This Zenith Defy Classic is a sleek and modern timepiece. It features a sleek design and high-quality materials.

  • Condition: New Old Stock (NOS) unworn
  • Price negotiable: open to offers
Posted at
Feb 25, 2026, 10:54 AM
Active
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[WTS] PRICE DROP! Zenith Defy Extreme Diver El Primero Sunray Blue Dial FULL SET Ref 95.9601.3620/51.I301

PRICE DROP! Zenith Defy Extreme Diver El Primero Sunray Blue Dial FULL SET Ref 95.9601.3620/51.I301

Zenith - 95.9601.3620/51.I301 · $7,649
A modern iteration of the Zenith El Primero diver, reimagined in titanium with a funky design and beautiful blue sunray dial.

  • Condition: like new
  • Case size: 42.5mm
  • Movement: El Primero cal 3620 CS
Posted at
Feb 22, 2026, 2:32 PM
Active
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[WTS] Zenith Defy Skyline Skeleton – White Ceramic 2026 NEW

Zenith Defy Skyline Skeleton – White Ceramic 2026 NEW

Zenith - 49.9301.3620/79.I001 · $13,499
This Zenith Defy Skyline Skeleton features the open-worked El Primero movement housed in lightweight white ceramic.

  • Condition: Flawless, brand new
  • Material: White Ceramic
  • Strap material: Rubber
Posted at
Feb 22, 2026, 12:40 PM
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[WTS] Zenith Defy Skyline Skeleton Black Ceramic

Zenith Defy Skyline Skeleton Black Ceramic

Zenith - Defy Skyline Skeleton · $11,999
The Zenith Defy Skyline Skeleton is a high-end watch featuring full ceramic construction, an El primero movement with 55hr power reserve, and a skeletonized dial with 10sec subdial.

  • Condition: like new
  • Case material: Black Ceramic
  • Bracelet replacement: Full set box and papers with OEM black rubber strap on deployant, extra ceramic links available
  • Water resistance: 100M
Posted at
Feb 22, 2026, 11:52 AM
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[WTS] 2020 Zenith Defy El Primero 21 Skeleton Chronograph 49.9000.9004/78.R582 – Full Set – $7,300 Shipped

2020 Zenith Defy El Primero 21 Skeleton Chronograph 49.9000.9004/78.R582 – Full Set – $7,300 Shipped

Zenith - 49.9000.9004/78.R582 · $7,300
A high-performance chronograph showcasing Zenith’s innovative 1/100th-of-a-second movement, housed in a lightweight titanium case.

  • Condition: Excellent
  • Case size: 44mm
  • Case material: Titanium
  • Movement type: Automatic chronograph (El Primero 21, 1/100th second)
Posted at
Feb 21, 2026, 12:07 PM
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[WTS] Zenith Defy Classic 41mm Titanium Skelton Dial 95.9000.670/78.R782

Zenith Defy Classic 41mm Titanium Skelton Dial 95.9000.670/78.R782

Zenith - 95.9000.670/78.R782 · $6,695
The Zenith Defy Classic features a slim profile, titanium construction, and bold geometry with an open-worked architecture.

  • Condition: Excellent
  • Material: titanium
  • Size: 41mm
Posted at
Feb 20, 2026, 12:59 PM
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[WTS] Titanium Zenith Defy El Primero 21 Skeleton Box & Papers

Titanium Zenith Defy El Primero 21 Skeleton Box & Papers

Zenith - 95.9000.9004/78.R582 · $70,000
The Zenith Defy El Primero 21 Skeleton is housed in lightweight titanium, featuring an open-worked skeleton dial and the in-house El Primero 9004 movement.

  • Condition: Great Pre-Owned condition with light signs of wear
  • Material: lightweight titanium
  • Movement: in-house El Primero 9004
Posted at
Feb 20, 2026, 11:29 AM
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[WTS] Zenith Defy Classic Skeleton 95.9000.670/78.M9000 - Full Kit

Zenith Defy Classic Skeleton 95.9000.670/78.M9000 - Full Kit

Zenith - 95.9000.670/78.M9000 · $5,800
This Zenith Defy Classic Skeleton is a high-end timepiece sold new from a dealer in 2020.

  • Condition: Excellent with minor blemishes (scuffing on the inside of the bracelet)
  • Year Purchased: 2020
  • Purchase Method: new from a dealer
  • Accessories Included: all links, box, card, instructions, cleaning cloth, hang tag
Posted at
Feb 19, 2026, 12:14 PM
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>>REDUCED FURTHER<< ZENITH DEFY EXTREME DIVER TITANIUM 5 Year WARRANTY

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

Zenith - 95.9600.3620/01.I300 · $7,650
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
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