Zenith Defy Defy El Primero 21 Black Ceramic / Skeleton / Rubber
Reference 49.9000.9004/78.R782
About this watch
The Zenith Defy El Primero 21 Black Ceramic / Skeleton / Rubber is a masterpiece of luxury watchmaking, embodying precision and craftsmanship. Its innovative design features a robust 44mm ceramic case with a matte finish, a skeleton dial showcasing the intricate movement, and stick-shaped hands. The beating heart of this timepiece is the renowned Zenith caliber El Primero 9004, a self-winding movement capable of measuring time with incredible precision. With its dual escapement system, cam-actuated chronograph, and power reserve indicator, this watch is perfect for those who appreciate fine craftsmanship and innovative technology. Whether you're a watch collector, a sports enthusiast, or someone who loves luxury timepieces, the Defy El Primero 21 will surely impress.
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Key Features
- Zenith caliber El Primero 9004 movement
- Robust 44mm black ceramic case
- Skeleton dial with stick-shaped hands
- Cam-actuated chronograph with power reserve indicator
- Water resistance of up to 100 meters
- Sapphire crystal glass and open back for a clear view of the movement
Specifications
- Brand
- Zenith
- Family
- Defy
- Model
- Defy El Primero 21 Black Ceramic / Skeleton / Rubber
- Reference
- 49.9000.9004/78.R782
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph
- Chronometer, Power Reserve Indicator
- Case
- 44mm
- Dial Color
- Skeleton
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
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] Zenith Defy El Primero 21 Skeleton Dial Rubber Strap](https://preview.redd.it/4kzj0pqj6mve1.jpg?width=640&crop=smart&auto=webp&s=653d76d634aaf0c5c1f5de0bcd65b2499bb8f5b6)
Zenith Defy El Primero 21 Skeleton Dial Rubber Strap
This Zenith Defy El Primero 21 features a skeleton dial and comes with a rubber strap. It's a lightweight, comfortable watch that's sure to get compliments.
- Condition: Excellent
- Size: 44mm diameter
- Contents: Full set
- Warranty: 12 month warranty on the watch movement

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
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