Zenith Defy Defy El Primero 21 Ultraviolet

Reference 97.9001.9004/80.R922

About this watch

The Zenith Defy El Primero 21 Ultraviolet is more than just a watch; it’s a celebration of innovation, precision, and style. With its advanced movement, striking design, and durable materials, it stands as a testament to Zenith's commitment to excellence. The 44 mm titanium case is lightweight yet incredibly durable, perfect for regular wear. The open dial showcases the intricate mechanics of the watch, while the ultraviolet accents enhance legibility in low-light conditions. At the heart of this chronograph is the self-winding caliber El Primero 9004, capable of measuring time with an accuracy of up to 1/100 of a second. This level of engineering sets Zenith apart in high-end horology. The power reserve for the chronograph is 50 minutes, and it can be wound by hand. With a water resistance of up to 100 meters, this watch is ready for any adventure. Its sporty yet sophisticated look makes it versatile enough for everyday wear. Investing in a Zenith watch is like investing in a piece of history, and the Defy El Primero 21 Ultraviolet is no exception.
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Key Features

  • Zenith caliber El Primero 9004 self-winding movement
  • Skeleton design with dark titanium and ultraviolet accents
  • 44 mm lightweight titanium case
  • Water resistance up to 100 meters
  • Chronograph function with power reserve indicator
  • Sapphire glass for scratch resistance
  • Adjustable strap for comfortable fit

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Ultraviolet
Reference
97.9001.9004/80.R922
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph
  • Chronometer, Power Reserve Indicator
Case
44mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
100

Current Listings

Stunning Zenith Defy El Primero 21 Ultraviolet 44MM (97.9001.9004/80.R922)

Stunning Zenith Defy El Primero 21 Ultraviolet 44MM (97.9001.9004/80.R922)

This watch is gorgeous in person and wears so nicely.

  • Condition: Perfect condition
  • Case size: 44MM
  • Box and papers included: true
Posted at
Jan 29, 2025, 4:35 PM
Active
[WTS] 2022 Zenith Defy Skyline Black Dial 41mm 03.9300.3620/21.I001 - Full Set

2022 Zenith Defy Skyline Black Dial 41mm 03.9300.3620/21.I001 - Full Set

The Zenith Defy Skyline features a sleek black dial and a 41mm angular case with an integrated bracelet. The watch is crafted in stainless steel and offers exceptional depth and contrast.

  • Condition: excellent preowned, like new condition
  • Case size: 41mm diameter
  • Water resistance: 100m depth rating
  • Movement type: El Primero high-frequency automatic movement
Posted at
Mar 27, 2026, 4:00 PM
Active
[WTS] Zenith Defy Skyline. Blue dial. Jan 2026. Full Kit

Zenith Defy Skyline. Blue dial. Jan 2026. Full Kit

This is a preowned Blue Dial Zenith Skyline from Jan 2026 with a January 2026 warranty card.

  • Condition: Excellent condition and partially stickered
  • Warranty expiration date: Jan 2028
  • Dial color: blue
  • Size: 41mm diameter
Posted at
Mar 27, 2026, 3:30 PM
Active
[WTS] Zenith | 03.9300.3620/15.I001 | Defy Skyline Ice Blue | $7,750

Zenith | 03.9300.3620/15.I001 | Defy Skyline Ice Blue | $7,750

This Zenith Defy Skyline Ice Blue is a high-end watch featuring an ice blue dial and a stainless steel case.

  • Condition: preowned clean condition with minor hairline scratches throughout
  • Service history: unknown
  • Shipping: free 2 day insured fedex
  • Return policy: no returns, all sales are final
Posted at
Mar 27, 2026, 3:06 PM
Active
[WTS] Zenith Defy Classic Carbon Skeleton 10.9000.670/80.R795 | Full Set 2022 | Ultra Light 65g | Titanium Clasp

Zenith Defy Classic Carbon Skeleton 10.9000.670/80.R795 | Full Set 2022 | Ultra Light 65g | Titanium Clasp

The listing is for a Zenith Defy Classic Carbon Skeleton from 2022, featuring an ultra-lightweight design of just 65g.

  • Weight: 65g
  • Material: Titanium
  • Year: 2022
Posted at
Mar 27, 2026, 9:57 AM
Active
[WTS] Zenith Defy Skyline Chronograph Skeleton | Ref. 03.9500.3600/79.I001 | 2025 | Unworn | Full Set

Zenith Defy Skyline Chronograph Skeleton | Ref. 03.9500.3600/79.I001 | 2025 | Unworn | Full Set

The Zenith Defy Skyline Chronograph Skeleton features a stunning blue openworked skeleton dial, powered by the high-frequency El Primero chronograph movement, allowing for true 1/10th of a second chronograph precision.

  • Condition: Unworn
  • Case diameter: 42mm
  • Water resistance depth rating: 100m
  • Power reserve duration: ~55 hours
Posted at
Mar 27, 2026, 6:50 AM
Active
[WTS] 2022 Zenith Defy Black Ceramic Skeleton 2022 with Box and Papers 49.9000.670

2022 Zenith Defy Black Ceramic Skeleton 2022 with Box and Papers 49.9000.670

Zenith - 49.9000.670 · $6,450
A black ceramic Zenith Defy Skeleton dated 2022, with its original box and papers.

  • Year: 2022
  • Case material: Black Ceramic
  • Water resistance: null
Posted at
Mar 26, 2026, 7:13 PM
Active
[WTS] NEW 2026 ZENITH DEFY SKELETON COMPLETE SET UNWORN BLUE DIAL

NEW 2026 ZENITH DEFY SKELETON COMPLETE SET UNWORN BLUE DIAL

This is a new 2026 Zenith Defy Skeleton watch with a beautiful blue dial, featuring a stainless steel case and a 41mm size.

  • Condition: Brand New/Unworn
  • Case size: 41MM diameter
  • Dial color: Blue
  • Material: Stainless Steel
Posted at
Mar 25, 2026, 10:31 PM
Active
[WTS] Zenith Defy Skyline Big Date Flyback 70Pcs LE 🔥Brand New 2025, $10.5k+✈️🔥

Zenith Defy Skyline Big Date Flyback 70Pcs LE 🔥Brand New 2025, $10.5k+✈️🔥

This is a limited edition Zenith Defy Skyline Big Date Flyback, available in only 70 pieces. It comes with a box, warranty card, and manuals.

  • Condition: Brand New
  • Limited edition: 70 pieces
  • Availability: Zenith boutiques and retailers
  • Shipping: Shipped from Singapore Office
Posted at
Mar 25, 2026, 8:23 AM
Active