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)
This watch is gorgeous in person and wears so nicely.
- Condition: Perfect condition
- Case size: 44MM
- Box and papers included: true

Pre-Owned Zenith DEFY Revival A3691 03.A3642.670/3691.M3642
Pre-owned Zenith DEFY Revival watch in red dial color, automatic movement, stainless steel case (37mm), and 300m water resistance.
- Condition: 82% condition, with marks on lugs, bezel, and case; 78% condition for the bracelet due to marks on links and clasp
- Movement: Automatic
- Case size: 37mm
- Material: Stainless Steel
![[WTS] ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $6500 CON U.S.](https://preview.redd.it/4jgpplt2k2ye1.jpg?width=640&crop=smart&auto=webp&s=bdf4c3f5f297145265138286283563c42bdaa9d5)
ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $6500 CON U.S.
This Zenith Defy Classic features a white ceramic case, automatic movement, and a comfortable design that makes it a conversation starter.
- Condition: Flawless condition
- Case Size: 41mm diameter
- Material: Ceramic
- Movement Type: Automatic
![[WTS] Zenith Defy Skeleton 95.9000.670/78.M9000 full set + OEM strap - $4995](https://preview.redd.it/64mu0sg2awxe1.jpg?width=640&crop=smart&auto=webp&s=de1b3646edb5c1d2fbb1202b1baf8f5e54778ce9)
Zenith Defy Skeleton 95.9000.670/78.M9000 full set + OEM strap - $4995
A skeleton watch with a titanium bracelet that sparkles in the light, featuring a Zenith caliber Elite 670 SK movement.
- Condition: Excellent, with minor scratches on the titanium bracelet and bezel
- Movement: Zenith caliber Elite 670 SK with 50 hour power reserve, silicon pallet lever and escape wheel, and bi-directional quickset date
- Water Resistance: 100m depth rating
- Size: 41mm diameter, 45.2mm lug-to-lug, 10.8mm thickness
![[WTS] Classic Zenith Defy Skeleton 95.9000.670/78.R584 Blue Gator Rubber](https://preview.redd.it/2oddx464roxe1.jpg?width=640&crop=smart&auto=webp&s=7d2e1b126b10307faea8b46996d58a802dd8c517)
Classic Zenith Defy Skeleton 95.9000.670/78.R584 Blue Gator Rubber
The Defy Skeleton is a bold statement of style and innovation, crafted from lightweight titanium with a skeleton dial that exposes its Elite 670 automatic movement.
- Condition: Very good (8.8/10)
- Msrp: $9,700
- Material: titanium

>>REDUCED FURTHER<< ZENITH DEFY EL PRIMERO CHRONOGRAPH LAND ROVER LIMITED EDITION
The Zenith Defy El Primero 21 Land Rover Limited Edition is a 44mm titanium watch featuring an in-house movement that measures time to 1/100 second, with a dark gray dial and orange accents.
- Condition: MINT
- Case material: bead blasted titanium
- Case diameter: 44mm
- Movement type: in house El Primero movement
Zenith Defy El Primero 21 44MM Skeleton Dial Rubber Strap (49.9000.9004/78.R782)
A well-crafted chronograph that balances technical innovation with a contemporary design, featuring a skeleton dial and 1/100th of a second chronograph.
- Condition: Excellent
- Case material: Black Ceramic
- Band material: Rubber
- Water resistance: 100 meters (330 feet)
WTS LNIB Zenith Defy Skyline Blue Openworked Skeleton Stainless Steel 1/10th Second Hands 2024 Complete
The Zenith Defy Skyline is a high-end watch with a blue openworked skeleton dial, powered by the El Primero 3620 SK movement, featuring a 1/10th second indicator and a 41mm steel octagonal case.
- Condition: Like New Condition
- Movement Frequency: 36,000 VPH
- Case Size: 41mm diameter
WTS Zenith Defy El Primero 21 Blue Skeleton Dual Escapement Chronograph 44mm Titanium Complete 2018
The Zenith Defy El-Primero 21 is a Dual Escapement Chronograph Skeletonized watch with a 44mm Titanium Case, dated August 2018. It features the fastest and most precise manufacture chronograph movement in production, operating at a rate of 50Hz.
- Condition: Mint Condition
- Case size: 44mm
- Movement frequency: 50Hz
- Accuracy: 1/100th of a second