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)

Zenith - 97.9001.9004/80.R922 · $9,999

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

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

Zenith - 10.9000.670/80.R795

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

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

Zenith - 03.9500.3600/79.I001 · $12,450

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

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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

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NEW 2026 ZENITH DEFY SKELETON COMPLETE SET UNWORN BLUE DIAL

Zenith - 03.9300.3620/79.I001 · $9,199

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

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

Zenith - 97.9500.3652/01.I001 · $10,500

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

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Zenith Defy Skyline Skeleton Blue 🔥Brand New 2026, $8500+✈️🔥

Zenith - 03.9300.3620/79.I001 · $8,500

The seller is listing a brand new Zenith Defy Skyline Skeleton Blue watch, which is a skeleton version of the popular Defy collection.

Condition: Brand New
Shipping: shipped from Singapore, tariffs/duties to USA included in price
Payment: via wire or credit card with 4.9% fee

Posted at

Mar 24, 2026, 7:36 AM

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Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith - 03.9500.3600/78.I001 · $9,599

The Zenith Defy Skyline Skeleton Chronograph represents the pinnacle of modern design and precision craftsmanship, featuring a bold yet refined wrist presence and an open-worked dial that reveals the stunning architecture of Zenith’s legendary movement.

Condition: Excellent overall with only light signs of wear
Case size: 42mm diameter
Water resistance: 100m depth rating
Movement: El Primero 3600 automatic chronograph caliber

Posted at

Mar 22, 2026, 4:02 PM

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Zenith Defy 21. Titanium. Full Kit. OEM rubber and Deployant Included.

Zenith - Defy 21 · $5,950

This is a Zenith Defy 21 in titanium, which comes with a full kit including OEM rubber and deployant clasp. It's located in NJ USA and the seller is open to showing the watch through FaceTime.

Case material: Titanium
Box and papers included: true

Posted at

Mar 22, 2026, 11:51 AM

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