Zenith Defy Defy El Primero 21 Titanium / Skeleton / Bracelet

Reference 95.9000.9004/78.M9000

About this watch

The Zenith Defy El Primero 21 Titanium / Skeleton / Bracelet is a masterpiece of watchmaking that combines cutting-edge technology with stunning aesthetics. Released in 2018, this chronograph is part of Zenith's Defy family, renowned for its bold designs and advanced movements. The reference number 95.9000.9004/78.M9000 signifies a model that showcases Zenith's commitment to precision and style. The watch features a round titanium case, measuring 44 mm in diameter and 14.5 mm in height, giving it a robust yet refined appearance. The skeleton design allows you to see the intricate workings of the movement through the dial, adding depth and intrigue. At the heart of the Zenith Defy El Primero 21 is the remarkable El Primero 9004 movement, capable of measuring time with incredible precision. The chronograph function can measure time down to 1/100 of a second, making it a standout feature of this model. With its lightweight titanium construction and water resistance of 100 meters, this watch is designed for everyday use. Whether you're taking a dip in the pool or caught in the rain, the Defy El Primero 21 can handle it. The combination of the bold skeleton design and the titanium material creates a striking aesthetic that's both sporty and elegant, making it versatile enough to wear on any occasion.
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Key Features

  • Titanium case for lightweight durability
  • Skeleton design revealing intricate movement
  • El Primero 9004 movement with chronograph function

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Titanium / Skeleton / Bracelet
Reference
95.9000.9004/78.M9000
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 Aero Chronograph El Primero 46mm - Custom 3D printed Bezels $1,999

Zenith Defy Classic Aero Chronograph El Primero 46mm - Custom 3D printed Bezels $1,999

Zenith - 86.0526.4000 · $1,999
A Zenith Defy Classic Aero Chronograph featuring the El Primero 4000 SC movement in a 46mm case. The watch has an aftermarket strap/buckle and multiple custom 3D-printed bezels.

  • Condition: - Keeps excellent time, strong amplitude (~300). - Crystal, dial, and hands are in excellent shape. - Case sides and lugs show visible scratches (see video/photos)
  • Case Size: 46mm
  • Movement: Zenith Calibre El Primero 4000 SC
  • Case Condition: visible scratches on sides and lugs
Posted at
Aug 12, 2025, 10:46 AM
Active
[WTS] Zenith Defy 21 Ultraviolet 97.9001.9004/80.R922 44mm Microblasted Titanium $8,150

Zenith Defy 21 Ultraviolet 97.9001.9004/80.R922 44mm Microblasted Titanium $8,150

The Zenith Defy 21 Ultraviolet is a high-end watch featuring microblasted titanium and a clean crystal.

  • Condition: Great condition with slight mark on the case and clean crystal
  • Case size: 44mm diameter
  • Material: Microblasted Titanium
Posted at
Aug 12, 2025, 1:24 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
Zenith Defy Classic "Skeleton" - 95.9000.670/78.m9000 - Skeleton - Titanium

Zenith Defy Classic "Skeleton" - 95.9000.670/78.m9000 - Skeleton - Titanium

The seller is listing a Zenith Defy Classic 'Skeleton' watch, which features a titanium case and skeleton dial.

  • Condition: Pre-Owned - Excellent Grade
  • Case size: 41mm
  • Bracelet type: Titanium
  • Dial description: skeleton
Posted at
Feb 22, 2025, 11:33 PM
Active
ZENITH DEFY EXRTREME DIVER EL PRIMERO 5 YEAR Warranty

ZENITH DEFY EXRTREME DIVER EL PRIMERO 5 YEAR Warranty

The Zenith Defy El Primero Extreme Diver is a high-end diver's watch featuring a black dial with orange highlights, ceramic bezel, and 42mm diameter. It has a water resistance of 600m and comes with multiple straps and quick-change feature.

  • Condition: LNIB (Like New in Box)
  • Case material: Titanium
  • Water resistance: 600m
  • Movement: In-house El Primero movement
Posted at
Feb 20, 2025, 4:22 PM
Active