Zenith Defy Defy El Primero 21 Titanium / Skeleton / Bracelet
Reference 95.9000.9004/78.M9000
About this watch
The Zenith Defy El Primero 21 Titanium / Skeleton / Bracelet is a masterpiece of watchmaking that combines cutting-edge technology with stunning aesthetics. Released in 2018, this chronograph is part of Zenith's Defy family, renowned for its bold designs and advanced movements. The reference number 95.9000.9004/78.M9000 signifies a model that showcases Zenith's commitment to precision and style. The watch features a round titanium case, measuring 44 mm in diameter and 14.5 mm in height, giving it a robust yet refined appearance. The skeleton design allows you to see the intricate workings of the movement through the dial, adding depth and intrigue. At the heart of the Zenith Defy El Primero 21 is the remarkable El Primero 9004 movement, capable of measuring time with incredible precision. The chronograph function can measure time down to 1/100 of a second, making it a standout feature of this model. With its lightweight titanium construction and water resistance of 100 meters, this watch is designed for everyday use. Whether you're taking a dip in the pool or caught in the rain, the Defy El Primero 21 can handle it. The combination of the bold skeleton design and the titanium material creates a striking aesthetic that's both sporty and elegant, making it versatile enough to wear on any occasion.
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Key Features
- Titanium case for lightweight durability
- Skeleton design revealing intricate movement
- El Primero 9004 movement with chronograph function
Specifications
- Brand
- Zenith
- Family
- Defy
- Model
- Defy El Primero 21 Titanium / Skeleton / Bracelet
- Reference
- 95.9000.9004/78.M9000
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph
- Chronometer, Power Reserve Indicator
- Case
- 44mm
- Dial Color
- Skeleton
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
![[WTS] ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $5900 CON U.S.](https://preview.redd.it/ohps2v5rykze1.jpg?width=640&crop=smart&auto=webp&s=d4379cdb9cf5389001f1dd2f10033b7ecd999d26)
ZENITH Defy Classic White Ceramic 49.9002.670/01.R792 $5900 CON U.S.
A 41mm white ceramic Zenith Defy Classic with an automatic movement, known for its comfort and stylish appearance.
- 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://external-preview.redd.it/-EDghvtPFR2po-vkeIzfaeZj3PDm_58HHTk-vI1JJ2Y.jpeg?auto=webp&s=10574d0bbb69ea232f48493160e04f1808b93b7e)
Zenith Defy Skeleton 95.9000.670/78.M9000 full set + OEM strap - $4995
This Zenith Defy Skeleton features a titanium case with a grade 5 titanium bracelet, and is powered by the Elite 670 SK movement. It has a 41mm diameter, 100m water resistance, and comes in a full set including box, papers, extra links, and OEM blue leather strap.
- Condition: pre-owned with minor scratches on bezel and titanium bracelet
- Movement: Zenith caliber Elite 670 SK with 50 hour power reserve, silicon pallet lever and escape wheel, and bi-directional quickset date
- Bracelet material: grade 5 titanium
- Water resistance: 100m
Zenith Defy 21 Ultraviolet Skeleton Chrono – BOX & PAPERS – 97.9001.9004/80.R922
This unworn Zenith Defy 21 Ultraviolet Skeleton is a striking and technically impressive timepiece for the individual who dares to stand out. Its microblasted titanium case and vibrant purple accents create a modern and defiant aesthetic, showcasing the high-performance El Primero 21 movement.
- Condition: Unworn
- Model: Defy 21 Ultraviolet
- Msrp: $14,000
- Movement: El Primero 9004
Zenith Defy El Primero 21 Titanium Black 13K MSRP Box Paper 95.9000.9004/78.R582
Stunning Zenith Defy El Primero 21 Titanium with Black Openworked Skeleton Dial & Black Zenith Alligator Strap! Truly striking with the Skeleton, Black, and Titanium contrast!
- Condition: great condition with only minor wear, nothing notable
- Case Diameter: 44.0 mm
- Case Thickness: 14.5 mm
- Lug Width: 23.0 mm
Brand New 2025 Zenith Defy Skeleton Men’s Blue Dial Watch 03.9300.3620/79.I001
The 2025 Zenith Defy Skeleton is a bold fusion of cutting-edge design and mechanical excellence, with its open-worked dial and signature El Primero movement on full display. The striking blue tones, angular steel case, and integrated bracelet create a sleek, futuristic aesthetic.
- Condition: new and unworn
- Case Size: 41mm
- Water Resistance: 100 Meters / 10 ATM
- Power Reserve: Approx. 60 Hours
Zenith Defy El Primero 21 Titanium Black 13K MSRP Box Paper 95.9000.9004/78.R582
This stunning Zenith Defy El Primero 21 Titanium watch features a black openworked skeleton dial and a black Zenith alligator strap. The watch arrives with original Zenith boxes and papers, including an international warranty card, quick-step guide, and manual.
- Condition: Great condition with only minor wear
- Case diameter: 44.0 mm
- Case thickness: 14.5 mm
- Lug width: 23.0 mm

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