Zenith Defy Defy El Primero 21 Ultrablue

Reference 97.9001.9004/81.R946

About this watch

The Zenith Defy El Primero 21 Ultrablue is a masterpiece of horology, boasting an exceptional Zenith caliber El Primero 9004 movement with 36,000 vibrations per hour. Its skeleton dial and vibrant blue accents create a dynamic contrast that's both sporty and elegant. With a water resistance of up to 100 meters and sapphire crystal glass, this watch is built for adventure. The titanium case provides durability and a lightweight feel on the wrist, making it perfect for everyday wear. Whether you're at a formal event or out for a casual day, the Ultrablue fits seamlessly into any occasion. Its unique features and striking design make it a standout piece in any collection, celebrating craftsmanship and style. With its impressive movement, bold design, and user-centric features, this watch is more than just a tool for telling time; it's an experience.
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Key Features

  • Zenith caliber El Primero 9004 movement
  • Skeleton dial with vibrant blue accents
  • Titanium case with water resistance up to 100 meters
  • Sapphire crystal glass
  • Chronograph functionality with 50-minute power reserve
  • Lightweight and comfortable design
  • Robust materials and construction

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Ultrablue
Reference
97.9001.9004/81.R946
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 Titanium Skeleton 95.9000.670/78.R782 $3,950

Zenith Defy Classic Titanium Skeleton 95.9000.670/78.R782 $3,950

Discontinued Zenith Defy Classic Titanium Skeleton with an openworked, skeletonized movement and a date indicator on a lightweight Grade 5 Titanium case.

  • Condition: Preowned - Good
  • Movement Type: skeletonized
  • Material: Grade 5 Titanium
  • Strap Material: leather/rubber
Posted at
Oct 26, 2025, 8:25 PM
Active
[WTS] - CONUS - Zenith defy el primero 03.0526.4000 - 2950

- CONUS - Zenith defy el primero 03.0526.4000 - 2950

Zenith - 03.0526.4000 · $2,950
This Zenith Defy El Primero 03.0526.4000 is a high-end timepiece that features a sleek design and precise mechanical movement.

  • Condition: great condition
  • Box: included
  • Papers: included
  • Warranty card: temp included
Posted at
Oct 26, 2025, 10:36 AM
Active
[WTS]🔥2025 ZENITH DEFY SKELETON BRAND NEW WITH STICKERS REFERENCE 03.9300.3620/79.1001 COMPLETE SET🔥

🔥2025 ZENITH DEFY SKELETON BRAND NEW WITH STICKERS REFERENCE 03.9300.3620/79.1001 COMPLETE SET🔥

2025 Zenith Defy Skeleton watch with blue skeleton dial and stainless steel case.

  • Condition: NEW/UNWORN
  • Case Size: 41mm diameter
  • Dial Description: blue skeleton dial
Posted at
Oct 24, 2025, 1:25 AM
Active
[WTS] Zenith Defy Classic Skeleton White Ceramic 41mm Box & Papers $6,349

Zenith Defy Classic Skeleton White Ceramic 41mm Box & Papers $6,349

The Zenith Defy Classic Skeleton in white ceramic is a modern icon that blends cutting-edge design with technical mastery.

  • Condition: Very good pre-owned condition
  • Case Size: 41mm
  • Material: White ceramic
Posted at
Oct 21, 2025, 2:43 PM
Active
[WTS] Vintage 1970s Zenith Defy Automatic Square SS Date

Vintage 1970s Zenith Defy Automatic Square SS Date

A vintage Zenith Defy Automatic wristwatch from the 1970s, featuring a bold geometric design and a Swiss-made automatic movement.

  • Condition: Excellent vintage condition
  • Movement: Zenith automatic, 17 jewels, Swiss made
  • Case Size: 36mm (excluding crown)
  • Crystal: Acrylic
Posted at
Oct 16, 2025, 3:06 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