Zenith Defy Defy Double Tourbillon Sapphire
Reference 04.9000.9020/00.R920
About this watch
The Zenith Defy Double Tourbillon Sapphire is a masterpiece of engineering brilliance and breathtaking aesthetics. This luxury watch features a mesmerizing skeleton design, transparent sapphire case, and El Primero 9020 movement with two tourbillon escapements. The watch boasts a staggering frequency of 36,000 VpH for timekeeping and 360,000 VpH for the chronograph, making it a true marvel of precision. With a power reserve of 50 hours and water resistance of 100 meters, this watch is designed for those who appreciate the finer things in life. Its limited production run of only 10 units makes it a highly sought-after collector's item, with a resale value that's likely to appreciate over time.
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Key Features
- Zenith caliber El Primero 9020 movement
- Two tourbillon escapements for precise timekeeping and chronograph function
- Transparent sapphire case for unobstructed view of the movement
- Water resistance up to 100 meters
- 50-hour power reserve
- Limited production run of only 10 units
Specifications
- Brand
- Zenith
- Family
- Defy
- Model
- Defy Double Tourbillon Sapphire
- Reference
- 04.9000.9020/00.R920
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph, Column wheel
- Tourbillon Escapement
- Case
- Sapphire 44mm
- Dial Color
- Skeleton
- Crystal
- Sapphire
- Water Resistance
- 100
Current Listings
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
![[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)