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 95.9000.670/78.M9000 Skeleton Automatic Titanium Bracelet 41mm Full Set

Zenith - 95.9000.670/78.M9000 · $5,975

A rugged and modern watch that feels sporty without being bulky, refined without being delicate, with a sharp architectural design and titanium case and bracelet.

Condition: Very good overall condition, with light hairline scratches on the bracelet and peeling on the box
Case material: Titanium
Bracelet material: Titanium
Dial color: Blue

Posted at

Dec 13, 2025, 11:10 AM

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Zenith Defy Skyline 42mm Black for $4500 CONUS

Zenith - Defy Skyline 42mm · $4,500

A Zenith Defy Skyline 42mm in black, purchased from Jomashop last year and only worn around 10 times. It includes an International Warranty.

Condition: Fair
Year of purchase: last year
Previous owner's location: Bay Area
Warranty: International Warranty

Posted at

Dec 11, 2025, 6:13 PM

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Zenith Defy Skyline Chronograph - White Dial - Ref. 03.9500.3600/01.I001

Zenith - 03.9500.3600/01.I001 · $7,950

This is a heavy hitter in the integrated sports watch category that offers incredible value compared to its peers, featuring an updated El Primero 3600 high-frequency movement and a stunning white/silver dial with a starry sky pattern.

Condition: Excellent
Case Size: 42mm diameter
Movement: El Primero 3600
Chronograph Accuracy: 1/10th of a second

Posted at

Dec 9, 2025, 5:57 PM

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2021 Zenith Defy Classic Titanium 95.9000.670/78.R584 - Full Set on Titanium Bracelet

Zenith - 95.9000.670/78.R584

A 2021 Zenith Defy Classic Titanium watch on a titanium bracelet, available for sale as a full set.

Bracelet type: titanium

Posted at

Dec 8, 2025, 3:35 PM

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Zenith Defy Skeleton - White Ceramic - 2021 Full Set - Mint Condition

Zenith - 49.9002.670/01.R792 · $4,950

This Zenith White Ceramic Defy Classic Skeleton watch features a unique skeleton design and a classic case shape, with a ceramic case that is exceptionally light on the wrist.

Condition: Excellent/Mint Condition
Size: 41mm diameter
Year: 2021

Posted at

Dec 7, 2025, 4:57 PM

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Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith - 03.9500.3600/78.I001

No watch description provided.

Model: Defy Skeleton Chrono

Posted at

Dec 5, 2025, 2:56 PM

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Zenith Defy Skyline 41mm Blue - The Best Integrated Bracelet Under $10K (Fight Me)

Zenith - Defy Skyline · $5,450

The Zenith Defy Skyline 41mm Blue is a high-end watch featuring an El Primero 3620 movement, which runs at 36,000 VpH. It has an integrated bracelet and a unique sub-dial that rotates every 10 seconds.

Condition: Mint/Excellent
Movement: El Primero 3620
Rotation speed: 36,000 VpH (5Hz)
Bracelet size: 41mm case with integrated bracelet

Posted at

Dec 1, 2025, 11:48 PM

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