Zenith Defy Defy El Primero 21 Titanium / Skeleton / Bracelet

Reference 95.9000.9004/78.M9000

About this watch

The Zenith Defy El Primero 21 Titanium / Skeleton / Bracelet is a masterpiece of watchmaking that combines cutting-edge technology with stunning aesthetics. Released in 2018, this chronograph is part of Zenith's Defy family, renowned for its bold designs and advanced movements. The reference number 95.9000.9004/78.M9000 signifies a model that showcases Zenith's commitment to precision and style. The watch features a round titanium case, measuring 44 mm in diameter and 14.5 mm in height, giving it a robust yet refined appearance. The skeleton design allows you to see the intricate workings of the movement through the dial, adding depth and intrigue. At the heart of the Zenith Defy El Primero 21 is the remarkable El Primero 9004 movement, capable of measuring time with incredible precision. The chronograph function can measure time down to 1/100 of a second, making it a standout feature of this model. With its lightweight titanium construction and water resistance of 100 meters, this watch is designed for everyday use. Whether you're taking a dip in the pool or caught in the rain, the Defy El Primero 21 can handle it. The combination of the bold skeleton design and the titanium material creates a striking aesthetic that's both sporty and elegant, making it versatile enough to wear on any occasion.

Buy Now on Jomashop

This is an affiliate link

Key Features

Titanium case for lightweight durability
Skeleton design revealing intricate movement
El Primero 9004 movement with chronograph function

Specifications

Brand

Zenith

Family

Defy

Model

Defy El Primero 21 Titanium / Skeleton / Bracelet

Reference

95.9000.9004/78.M9000

Movement Features

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

Case

44mm

Dial Color

Skeleton

Crystal

Sapphire

Water Resistance

100

Current Listings

Zenith Defy Classic 95.9000.670/78.M9000 Skeleton Automatic Titanium Bracelet 41mm Full Set

Zenith - 95.9000.670/78.M9000 · $5,975

A rugged and modern watch that feels sporty without being bulky, refined without being delicate, with a sharp architectural design and titanium case and bracelet.

Condition: Very good overall condition, with light hairline scratches on the bracelet and peeling on the box
Case material: Titanium
Bracelet material: Titanium
Dial color: Blue

Posted at

Dec 13, 2025, 11:10 AM

Active

View listing on r/WatchExchange

Zenith Defy Skyline 42mm Black for $4500 CONUS

Zenith - Defy Skyline 42mm · $4,500

A Zenith Defy Skyline 42mm in black, purchased from Jomashop last year and only worn around 10 times. It includes an International Warranty.

Condition: Fair
Year of purchase: last year
Previous owner's location: Bay Area
Warranty: International Warranty

Posted at

Dec 11, 2025, 6:13 PM

Active

View listing on r/WatchExchange

Zenith Defy Skyline Chronograph - White Dial - Ref. 03.9500.3600/01.I001

Zenith - 03.9500.3600/01.I001 · $7,950

This is a heavy hitter in the integrated sports watch category that offers incredible value compared to its peers, featuring an updated El Primero 3600 high-frequency movement and a stunning white/silver dial with a starry sky pattern.

Condition: Excellent
Case Size: 42mm diameter
Movement: El Primero 3600
Chronograph Accuracy: 1/10th of a second

Posted at

Dec 9, 2025, 5:57 PM

Active

View listing on r/WatchExchange

2021 Zenith Defy Classic Titanium 95.9000.670/78.R584 - Full Set on Titanium Bracelet

Zenith - 95.9000.670/78.R584

A 2021 Zenith Defy Classic Titanium watch on a titanium bracelet, available for sale as a full set.

Bracelet type: titanium

Posted at

Dec 8, 2025, 3:35 PM

Active

View listing on r/WatchExchange

Zenith Defy Skeleton - White Ceramic - 2021 Full Set - Mint Condition

Zenith - 49.9002.670/01.R792 · $4,950

This Zenith White Ceramic Defy Classic Skeleton watch features a unique skeleton design and a classic case shape, with a ceramic case that is exceptionally light on the wrist.

Condition: Excellent/Mint Condition
Size: 41mm diameter
Year: 2021

Posted at

Dec 7, 2025, 4:57 PM

Active

View listing on r/WatchExchange

Zenith Defy Skeleton Chrono 03.9500.3600/78.I001

Zenith - 03.9500.3600/78.I001

No watch description provided.

Model: Defy Skeleton Chrono

Posted at

Dec 5, 2025, 2:56 PM

Active

View listing on r/WatchExchange

Zenith Defy Skyline 41mm Blue - The Best Integrated Bracelet Under $10K (Fight Me)

Zenith - Defy Skyline · $5,450

The Zenith Defy Skyline 41mm Blue is a high-end watch featuring an El Primero 3620 movement, which runs at 36,000 VpH. It has an integrated bracelet and a unique sub-dial that rotates every 10 seconds.

Condition: Mint/Excellent
Movement: El Primero 3620
Rotation speed: 36,000 VpH (5Hz)
Bracelet size: 41mm case with integrated bracelet

Posted at

Dec 1, 2025, 11:48 PM

Active

View listing on r/WatchExchange