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 Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,950

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

This 2024 Zenith Defy Skyline Chronograph features the El Primero 3600 movement, a high-beat automatic chronograph with a 1/10th-second hand. The watch is powered by a column wheel chronograph with vertical clutch and has a 60-hour power reserve.

Condition: Excellent
Movement: El Primero 3600
Frequency: 36,000 vph (5Hz)
Power reserve: 60 hours

Posted at

Apr 26, 2026, 4:52 PM

Active

View listing on r/WatchExchange

Zenith Defy Skyline Skeleton Black Ceramic

Zenith - Defy Skyline Skeleton Black Ceramic · $11,500

The Zenith Defy Skyline Skeleton is a full ceramic watch with a skeletonized dial and rotor, featuring an El primero movement beating at 5Hz.

Condition: like new
Water Resistance: 100m
Movement Frequency: 5Hz (36,000 vibration per hour)
Power Reserve: 55hr

Posted at

Apr 25, 2026, 10:19 AM

Active

View listing on r/WatchExchange

2020 Zenith Defy Classic Skeleton Titanium 95.9000.670/78.M9000 41mm Full Set - $6,495

Zenith - 95.9000.670/78.M9000 · $6,495

This Zenith Defy Classic Skeleton Titanium is a 2020 model featuring a skeleton design and titanium case.

Condition: Excellent condition with minimal signs of wear
Case material: Titanium
Case size: 41mm diameter
Year: 2020

Posted at

Apr 25, 2026, 9:42 AM

Active

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Zenith Defy. Skeleton. Titanium. Box, Papers..

Zenith - Defy Skeleton · $5,495

The seller is listing a Zenith Defy Skeleton, which features a titanium case and comes with its original box and papers. The watch appears to be well-maintained and ready for a new owner.

Material: titanium
Box And Papers: true

Posted at

Apr 24, 2026, 5:34 PM

Active

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2020 Zenith Defy Classic Skeleton Titanium 95.9000.670/78.M9000 41mm Full Set - $6,495

Zenith - 95.9000.670/78.M9000 · $6,495

Up for sale is a Zenith Defy Classic Skeleton Titanium, a 2020 model with a 41mm case.

Condition: Excellent condition with minimal signs of wear
Case material: titanium
Case size: 41mm

Posted at

Apr 22, 2026, 10:11 AM

Active

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(Zenith) (Defy Classic Titanium) (5700 OBO With Bracelet and Alligator Strap)

Zenith - 95.9000.670/77.R782 · $5,700

This Zenith Defy Classic Titanium is a 41mm watch with a silver skeleton dial, housed in a titanium case with a stainless steel bracelet and an alligator strap.

Condition: Good to new
Bracelet material: Stainless Steel
Case material: Titanium
Dial color: silver skeleton

Posted at

Apr 21, 2026, 7:21 PM

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Zenith Defy Skeleton. Titanium. Clean. Lightweight..

Zenith - Defy Skeleton · $5,250

A lightweight Zenith Defy Skeleton in titanium, featuring a skeleton design.

Condition: Clean, Lightweight
Material: Titanium
Shipping: Fedex with insurance worldwide

Posted at

Apr 21, 2026, 7:13 PM

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Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $8,050

Zenith - 03.9500.3600/01.I001 · $8,050

This is a Zenith Defy Skyline Chrono Silver with an El Primero movement, featuring a silver 'Starry Sky' dial and integrated stainless steel bracelet.

Condition: Excellent
Movement: El Primero 3600, automatic chronograph
Frequency: 36,000 vph (5Hz)
Power Reserve: 60 hours

Posted at

Apr 21, 2026, 3:45 PM

Active

View listing on r/WatchExchange