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

Reference 49.9000.9004/78.R582

About this watch

The Zenith Defy El Primero 21 Black Ceramic / Skeleton / Alligator is a stunning timepiece that showcases exceptional craftsmanship and innovative technology. Its skeleton design allows you to see the intricate workings of the movement, making it a fantastic conversation starter. The black ceramic case adds a modern touch, while the open-back design gives a sneak peek at the beautifully crafted movement. With its dual escapement system, this watch maintains a high level of accuracy, ensuring consistent performance whether using the chronograph or just checking the time. The watch comes with a power reserve indicator for the chronograph and an alligator leather strap that adds a touch of elegance. Whether you’re dressing up for a formal occasion or going casual, this strap has you covered. With its striking contrast between the skeleton design and bold black ceramic case, this watch is easy to read in any lighting condition. At 44 mm in diameter and 14.5 mm in height, the Defy El Primero 21 has a substantial presence on the wrist, but it’s surprisingly comfortable to wear thanks to its ergonomic design.

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Key Features

Zenith Caliber El Primero 9004 Movement
Dual Escapement System for Precise Timing
Skeleton Design with Black Ceramic Case
Chronometer Certified for Accuracy
Power Reserve Indicator for Chronograph
Alligator Leather Strap with Adjustable Lug Width

Specifications

Brand

Zenith

Family

Defy

Model

Defy El Primero 21 Black Ceramic / Skeleton / Alligator

Reference

49.9000.9004/78.R582

Movement Features

Hours, Minutes, Small Seconds
Chronograph
Chronometer, Power Reserve Indicator

Case

44mm

Dial Color

Skeleton

Crystal

Sapphire

Water Resistance

100

Current Listings

2022 Zenith Defy Black Ceramic Skeleton 2022 with Box and Papers 49.9000.670

Zenith - 49.9000.670 · $6,450

A black ceramic Zenith Defy Skeleton dated 2022, with its original box and papers.

Year: 2022
Case material: Black Ceramic
Water resistance: null

Posted at

Mar 26, 2026, 7:13 PM

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NEW 2026 ZENITH DEFY SKELETON COMPLETE SET UNWORN BLUE DIAL

Zenith - 03.9300.3620/79.I001 · $9,199

This is a new 2026 Zenith Defy Skeleton watch with a beautiful blue dial, featuring a stainless steel case and a 41mm size.

Condition: Brand New/Unworn
Case size: 41MM diameter
Dial color: Blue
Material: Stainless Steel

Posted at

Mar 25, 2026, 10:31 PM

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Zenith Defy Skyline Big Date Flyback 70Pcs LE 🔥Brand New 2025, $10.5k+✈️🔥

Zenith - 97.9500.3652/01.I001 · $10,500

This is a limited edition Zenith Defy Skyline Big Date Flyback, available in only 70 pieces. It comes with a box, warranty card, and manuals.

Condition: Brand New
Limited edition: 70 pieces
Availability: Zenith boutiques and retailers
Shipping: Shipped from Singapore Office

Posted at

Mar 25, 2026, 8:23 AM

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Zenith Defy Skyline Skeleton Blue 🔥Brand New 2026, $8500+✈️🔥

Zenith - 03.9300.3620/79.I001 · $8,500

The seller is listing a brand new Zenith Defy Skyline Skeleton Blue watch, which is a skeleton version of the popular Defy collection.

Condition: Brand New
Shipping: shipped from Singapore, tariffs/duties to USA included in price
Payment: via wire or credit card with 4.9% fee

Posted at

Mar 24, 2026, 7:36 AM

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Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith - 03.9500.3600/78.I001 · $9,599

The Zenith Defy Skyline Skeleton Chronograph represents the pinnacle of modern design and precision craftsmanship, featuring a bold yet refined wrist presence and an open-worked dial that reveals the stunning architecture of Zenith’s legendary movement.

Condition: Excellent overall with only light signs of wear
Case size: 42mm diameter
Water resistance: 100m depth rating
Movement: El Primero 3600 automatic chronograph caliber

Posted at

Mar 22, 2026, 4:02 PM

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Zenith Defy 21. Titanium. Full Kit. OEM rubber and Deployant Included.

Zenith - Defy 21 · $5,950

This is a Zenith Defy 21 in titanium, which comes with a full kit including OEM rubber and deployant clasp. It's located in NJ USA and the seller is open to showing the watch through FaceTime.

Case material: Titanium
Box and papers included: true

Posted at

Mar 22, 2026, 11:51 AM

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