Zenith Defy Defy El Primero 21 Titanium / Skeleton / Alligator

Reference 95.9002.9004/78.R584

Zenith Defy El Primero 21 Titanium / Skeleton / Alligator

About this watch

The Zenith Defy El Primero 21 is a stunning luxury watch that combines innovative technology with sleek design, making it a must-have for watch enthusiasts. This timepiece showcases a perfect blend of aesthetics and functionality, featuring a unique skeleton design that allows the wearer to appreciate the inner workings of the El Primero movement. The titanium case is both lightweight and robust, providing a perfect foundation for the intricate skeleton design. The round shape of the case, coupled with the sapphire glass, adds a touch of elegance while ensuring durability. At the core of the Defy El Primero 21 is the Zenith caliber El Primero 9004, a self-winding movement that features a cam-actuated chronograph capable of measuring time with precision up to 1/100 of a second. The watch also boasts a power reserve indicator for the chronograph and a water resistance of up to 100 meters, making it perfect for everyday wear. With its striking aesthetics, exceptional movement, and practical features, this watch embodies the spirit of modern luxury. Whether you're a seasoned collector or a newcomer to the world of luxury watches, this piece deserves a spot in your collection.

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Key Features

Zenith caliber El Primero 9004 self-winding movement
Cam-actuated chronograph with precision up to 1/100 of a second
Power reserve indicator for the chronograph
Water resistance up to 100m
Titanium case with sapphire glass
Skeleton design showcasing intricate interplay of gears and springs
Alligator leather strap with 23mm lug width

Specifications

Brand

Zenith

Family

Defy

Model

Defy El Primero 21 Titanium / Skeleton / Alligator

Reference

95.9002.9004/78.R584

Movement Features

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

Case

44mm

Dial Color

Skeleton

Crystal

Sapphire

Water Resistance

100

Current Listings

2020 Zenith Defy 21 Ultraviolet 44MM Skeleton Dial Ref 97.9001.9004/80.R922

Zenith - 97.9001.9004/80.R922 · $10,200

The Zenith Defy 21 Ultraviolet features a 44mm sandblasted titanium case, skeleton dial with purple accents, and three chronograph subdials.

Condition: Very good
Case size: 44mm diameter
Water resistance: not specified
Strap material: purple textile

Posted at

Jan 16, 2026, 12:24 PM

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Zenith El Primero Defy Extreme Diver Titanium Ref 95.9601.3620/51.I301 AKA A FULL ON WRIST PARTY!

Zenith - 95.9601.3620/51.I301 · $7,950

This is a Zenith El Primero Defy Extreme Diver Titanium watch with a beautiful blue starry sunray pattern dial and a 42.5MM titanium case.

Condition: Pre-owned, mint condition
Movement: El Primero automatic cal 3620 CS
Case size: 42.5mm diameter
Straps: Original blue rubber strap and oversized cloth dive strap with Zenith buckle

Posted at

Jan 15, 2026, 8:35 PM

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🔥ZENITH DEFY SKYLINE CERAMIC SKELETON BRAND NEW JAN 2026 COMPLETE GORGEOUS!!!🔥

ZENITH - 49.9301.3620/79.1001 · $13,500

The Zenith Defy Skyline Skeleton Ceramic features a beautiful blue dial, 41MM ceramic case, and is a complete set.

Condition: Brand New
Material: Ceramic
Case size: 41mm diameter

Posted at

Jan 15, 2026, 2:34 AM

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🔥ZENITH DEFY SKYLINE BRAND NEW 2025 COMPLETE BLUE DIAL 41MM $5999+SHIP🔥

Zenith - 03.9300.3620/51.1001 · $5,999

This is a brand new Zenith Defy Skyline watch with a blue dial and stainless steel case.

Condition: Brand New
Case Size: 41MM diameter
Material: Stainless Steel
Dial Color: Blue

Posted at

Jan 15, 2026, 2:22 AM

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Zenith Defy 21. Chroma. Limited Edition 200. Box, Papers.

Zenith - Defy 21 Chroma Limited Edition · $8,600

A limited edition Zenith Defy 21 Chroma, featuring a unique design and limited to 200 pieces.

Edition: Limited to 200 pieces
Shipping: FedEx with insurance
Global Shipping: Yes

Posted at

Jan 13, 2026, 3:34 PM

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Zenith Defy Skyline Skeleton 41mm 49.9300.3620/78.1001 BOXES/PAPERS!

Zenith - 49.9300.3620/78.1001 · $12,200

This listing is for a Zenith Defy Skyline Skeleton 41mm timepiece that comes with various accessories and is in good working order.

Condition: Excellent pre-owned condition with very light cosmetic wear throughout
Case diameter: 41mm
Movement: Automatic
Crystal: Sapphire

Posted at

Jan 13, 2026, 2:15 PM

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Zenith Defy Classic Automatic Men’s Watch – White Ceramic – Lightly Worn FULL SET

Zenith - 49.9002.670/01.R792 · $6,500

This is a modern, lightweight luxury sports watch with a fully skeletonized dial and Zenith’s in-house Elite movement.

Condition: Lightly worn
Case diameter: 41mm
Movement jewels: 27
Power reserve: ~50 hours

Posted at

Jan 11, 2026, 1:16 PM

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Zenith Defy Skyline Skeleton Black Ceramic

Zenith - Defy Skyline Skeleton · $11,999

The Zenith Defy Skyline Skeleton is a high-end watch made from full ceramic construction with a skeletonized dial and rotor. It features an El primero movement beating at 5Hz and has a power reserve of 55 hours.

Condition: like new
Movement: El primero
Vibration rate: 36,000 per hour
Power reserve: 55 hours

Posted at

Jan 10, 2026, 3:22 PM

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Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith - 03.9500.3600/78.I001

Posted at

Jan 7, 2026, 6:11 PM

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