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

[WTS] Zenith Defy Classic Skeleton 95.9000.670/78.M9000 - Full Kit

Zenith Defy Classic Skeleton 95.9000.670/78.M9000 - Full Kit

This Zenith Defy Classic Skeleton is a high-end timepiece sold new from a dealer in 2020.

  • Condition: Excellent with minor blemishes (scuffing on the inside of the bracelet)
  • Year Purchased: 2020
  • Purchase Method: new from a dealer
  • Accessories Included: all links, box, card, instructions, cleaning cloth, hang tag
Posted at
Feb 19, 2026, 12:14 PM
Active
[WTS] Zenith Defy Classic Titanium Blue - Full Set

Zenith Defy Classic Titanium Blue - Full Set

The Zenith Defy Classic Titanium features a sunburst blue dial, in-house Elite 670 automatic movement, and Grade 5 titanium construction for an impossibly light and comfortable wear.

  • Condition: good condition with minor blemishes on the bezel and desk-diving marks on the bracelet
  • Case size: 41mm
  • Thickness: 10.75mm
  • Material: Brushed and Polished Grade 5 Titanium
Posted at
Feb 18, 2026, 9:28 PM
Active
[WTS] Zenith Defy Skeleton White Ceramic Box & Papers

Zenith Defy Skeleton White Ceramic Box & Papers

The Zenith Defy Classic in full white ceramic is a modern icon that blends cutting-edge design with technical mastery, featuring an openworked concept and a skeletonized dial revealing the Elite 670 automatic movement. The watch has a 41mm case and houses a beautifully finished movement with blackened bridges and luminous hands for contrast and legibility.

  • Condition: Great pre-owned condition
  • Case diameter: 41mm
  • Movement: Elite 670 automatic movement
Posted at
Feb 18, 2026, 10:39 AM
Active
[WTS] Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

  • Model type: Defy Skeleton Chrono
Posted at
Feb 17, 2026, 4:45 PM
Active
[WTS] Zenith Defy Gauss 28800, 39mm, circa 1970

Zenith Defy Gauss 28800, 39mm, circa 1970

Zenith - Defy Gauss 28800 · $1,800
This Zenith Defy Gauss is a high-beat rate watch from the 1970s, specially designed to withstand high radiation and magnetic fields.

  • Case size: 39mm
  • Production number: Fewer than 600 made
  • Dial color: Blue
Posted at
Feb 17, 2026, 4:21 AM
Active
[WTS] Zenith Defy Skyline Skeleton Black Ceramic

Zenith Defy Skyline Skeleton Black Ceramic

For sale is a Zenith Defy Skyline Skeleton Black Ceramic watch, featuring a full ceramic construction with 100M water resistance and an El primero movement beating at 5Hz.

  • Condition: like new
  • Water resistance: 100m
  • Movement type: El primero
  • Beats per hour: 36000
Posted at
Feb 15, 2026, 1:02 PM
Active
[WTS] Zenith Defy El Primero Sunray Blue Extreme Diver FULL SET Ref 95.9601.3620/51.I301

Zenith Defy El Primero Sunray Blue Extreme Diver FULL SET Ref 95.9601.3620/51.I301

A modern iteration of the Zenith Defy El Primero diver, featuring a unique blue starry sunray pattern on its dial. The watch is powered by an iconic automatic cal 3620 CS movement and comes in a 42.5MM titanium case.

  • Condition: Pre-owned, appears mint
  • Case Size: 42.5mm diameter
  • Movement Type: automatic cal 3620 CS
Posted at
Feb 15, 2026, 12:20 PM
Active
[WTS] 2020 Zenith Defy El Primero 21 Skeleton Chronograph – Ref. 49.9000.9004/78.R582 – Full Set – Excellent Condition – $7,750 Shipped

2020 Zenith Defy El Primero 21 Skeleton Chronograph – Ref. 49.9000.9004/78.R582 – Full Set – Excellent Condition – $7,750 Shipped

2020 Zenith Defy El Primero 21 Skeleton Chronograph, a high-performance chronograph showcasing Zenith’s innovative 1/100th-of-a-second movement, featuring an openworked dial and lightweight titanium case.

  • Condition: Excellent
  • Case Size: 44mm diameter
  • Case Material: Titanium
  • Movement Type: Automatic chronograph (El Primero 21, 1/100th second)
Posted at
Feb 12, 2026, 10:02 PM
Active