Zenith Defy Defy El Primero 21 Black Ceramic / Skeleton / Bracelet

Reference 49.9000.9004/78.M9000

About this watch

The Zenith Defy El Primero 21 is a masterclass in design and technology, featuring a unique chronograph that measures time with unparalleled accuracy. Its striking black ceramic case exudes a modern and sporty vibe while remaining elegant enough for formal occasions. The skeleton design allows you to peek into the intricate workings of the watch, making it a conversation starter. At its core is the El Primero 9004 caliber, a self-winding movement capable of measuring time down to 1/100 of a second. With a balance wheel operating at 360,000 beats per hour and cam-actuated chronograph, this watch boasts accuracy and precision. The power reserve indicator adds sophistication to the dial, while the water resistance of 100 meters makes it ready for any adventure. Whether you're dressing up or going casual, this timepiece effortlessly elevates your ensemble. It's a statement piece that combines cutting-edge technology with striking design, perfect for both watch enthusiasts and casual wearers alike.
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Key Features

  • Zenith El Primero 9004 movement
  • Black Ceramic case
  • Chronograph function with power reserve indicator
  • Water resistance of 100 meters
  • Sapphire crystal glass
  • Robust yet comfortable size (44mm diameter, 14.5mm height)
  • Ceramic bracelet with secure 23mm lug width

Specifications

Brand
Zenith
Family
Defy
Model
Defy El Primero 21 Black Ceramic / Skeleton / Bracelet
Reference
49.9000.9004/78.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 $6500 CON U.S.

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
Posted at
Apr 30, 2025, 8:59 PM
Active
[WTS] Zenith Defy Skeleton 95.9000.670/78.M9000 full set + OEM strap - $4995

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
Posted at
Apr 29, 2025, 11:51 PM
Active
[WTS] Classic Zenith Defy Skeleton 95.9000.670/78.R584 Blue Gator Rubber

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
Posted at
Apr 28, 2025, 10:35 PM
Active
>>REDUCED FURTHER<< ZENITH DEFY EL PRIMERO CHRONOGRAPH LAND ROVER LIMITED EDITION

>>REDUCED FURTHER<< ZENITH DEFY EL PRIMERO CHRONOGRAPH LAND ROVER LIMITED EDITION

Zenith - 97.9000.9004/01.R787 · $6,850.007
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
Posted at
Apr 27, 2025, 6:42 PM
Active
>>REDUCED FURTHER<< ZENITH DEFY EXTREME DIVER TITANIUM 5 Year WARRANTY

>>REDUCED FURTHER<< ZENITH DEFY EXTREME DIVER TITANIUM 5 Year WARRANTY

A Zenith Defy El Primero Extreme Diver in Titanium with a black dial, ceramic bezel, and orange highlights.

  • Condition: LNIB (Like New In Box)
  • Diameter: 42mm
  • Water Resistance: 600m
  • Movement: in house El Primero movement
Posted at
Apr 7, 2025, 2:45 PM
Active
Zenith Defy Revival Shadow 97.A3642.670/21.M3642

Zenith Defy Revival Shadow 97.A3642.670/21.M3642

The Zenith Defy Revival Shadow is a high-end watch that comes in superb condition, with minimal signs of wear.

  • Condition: superb, almost like-new
  • Case and bracelet condition: like-new
  • Warranty expiration date: March 2030
  • Shipping method: FedEx Priority
Posted at
Apr 5, 2025, 2:18 AM
Active
LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

A Zenith Defy Classic Black Ceramic Skeleton watch with a 41mm case, dated April 2020. It features a black ceramic case and titanium DLC buckle.

  • Condition: Like New Condition
  • Case diameter: 41mm
Posted at
Apr 1, 2025, 1:01 PM
Active
LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

LNIB Zenith Defy Classic Black Ceramic Skeleton Rubber Strap April 2020 Complete

One of the thinnest Zenith Defy models, with a black ceramic case and titanium DLC buckle.

  • Condition: Like New Condition
  • Case material: Black Ceramic
  • Case size: 41mm
  • Band type: Rubber Strap
Posted at
Mar 30, 2025, 1:11 PM
Active
NEW 2024 Zenith Defy Skyline 41mm 97.9300.3620/79.I001 Titanium

NEW 2024 Zenith Defy Skyline 41mm 97.9300.3620/79.I001 Titanium

This is a brand new 2024 Zenith Defy Skyline 41mm titanium watch, featuring a 7.5-inch wrist size and additional interchangeable night blue rubber strap.

  • Condition: Excellent overall condition
  • Material: Titanium
  • Case Size: 41mm
  • Wrist Size: 7.5inch
Posted at
Mar 26, 2025, 6:23 PM
Active