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

Reference 24.9000.9004/78.R582

About this watch

The Zenith Defy El Primero 21 Black Ceramic / Skeleton / Alligator is a marvel of modern watchmaking, showcasing Zenith's commitment to pushing the boundaries with its striking black ceramic case and skeleton dial. This timepiece is a statement, a blend of functionality and artistry. The bold design features an alligator leather strap that adds a touch of elegance, while the 44.00 mm diameter and 14.50 mm height make it substantial without being overwhelming. At the core of this masterpiece is the Zenith caliber El Primero 9004 movement, a self-winding marvel capable of measuring time to a precision of 1/100 of a second. The chronograph runs on its own escapement system, with a balance wheel operating at an astounding 360,000 beats per hour. This innovative movement features dual balance springs made from a carbon-matrix carbon nanotube composite, enhancing precision and reliability.

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Key Features

Zenith caliber El Primero 9004 movement
Black ceramic case with skeleton dial
Chronograph function with power reserve indicator
Durable sapphire glass and alligator leather strap
Water resistance up to 100 meters
Certified chronometer for precision and accuracy

Specifications

Brand

Zenith

Family

Defy

Model

Defy El Primero 21 Black Ceramic / Skeleton / Alligator

Reference

24.9000.9004/78.R582

Movement Features

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

Case

44mm

Dial Color

Skeleton

Crystal

Sapphire

Water Resistance

100

Current Listings

Zenith Defy 41MM Skeleton Dial Full Set, Rare

Zenith - Defy 41MM Skeleton Dial

Posted at

May 22, 2026, 8:51 PM

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2020 Zenith Defy Classic Skeleton Titanium 95.9000.670/78.M9000 41mm Full Set - $5,995

Zenith - 95.9000.670/78.M9000 · $5,995

Up for sale is a Zenith Defy Classic Skeleton Titanium, a 2020 model with a titanium case and skeleton dial.

Condition: Excellent condition with minimal signs of wear.
Case material: Titanium
Case size: 41mm

Posted at

May 21, 2026, 10:12 PM

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Zenith | Skeleton Defy | 44mm | $6,500

Zenith - 95.9000.9004/78.R582 · $6,500

This is a preowned Zenith Skeleton Defy watch in 44mm size, featuring a skeleton dial.

Condition: preowned clean condition with minor hairline scratches throughout
Diameter: 44mm
Strap Condition: worn but still has plenty of life on it

Posted at

May 19, 2026, 10:29 PM

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Zenith Defy Skyline Chrono Silver - El Primero - Full Set 2024 - Integrated Bracelet & Green Strap w/ Deployant - $7,750

Zenith - 03.9500.3600/01.I001 · $7,750

2024 Zenith Defy Skyline Chronograph 'Starry Sky' with El Primero 3600 high-beat auto chrono, 42mm stainless steel case, and integrated bracelet.

Condition: Excellent, light bracelet wear
Case Size: 42mm
Depth Rating: 100m
Movement: El Primero 3600 high-beat auto chrono (36,000 vph / 5Hz)

Posted at

May 19, 2026, 8:35 AM

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Zenith Defy Skeleton. Titanium. Lightweight. Nice sports watch !!

Zenith - Defy Skeleton · $4,895

Zenith Defy Skeleton is a lightweight sports watch made of titanium.

Material: Titanium
Location: NJ USA

Posted at

May 17, 2026, 2:34 PM

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Zenith Defy Classic Carbon Skeleton 10.9000.670/80.R795 Complete Set in Like New Condition

Zenith - 10.9000.670/80.R795 · $8,400

The Zenith Defy Classic Carbon Skeleton is a modern watch that blends design with technical heritage, featuring a carbon fiber case and openworked dial.

Condition: Like new
Case size: 41mm
Case material: carbon fiber
Diameter: less than 63 grams

Posted at

May 16, 2026, 5:42 PM

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