Zenith Defy Defy El Primero 21 Ultrablue

Reference 97.9001.9004/81.R946

About this watch

The Zenith Defy El Primero 21 Ultrablue is a masterpiece of horology, boasting an exceptional Zenith caliber El Primero 9004 movement with 36,000 vibrations per hour. Its skeleton dial and vibrant blue accents create a dynamic contrast that's both sporty and elegant. With a water resistance of up to 100 meters and sapphire crystal glass, this watch is built for adventure. The titanium case provides durability and a lightweight feel on the wrist, making it perfect for everyday wear. Whether you're at a formal event or out for a casual day, the Ultrablue fits seamlessly into any occasion. Its unique features and striking design make it a standout piece in any collection, celebrating craftsmanship and style. With its impressive movement, bold design, and user-centric features, this watch is more than just a tool for telling time; it's an experience.

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Key Features

Zenith caliber El Primero 9004 movement
Skeleton dial with vibrant blue accents
Titanium case with water resistance up to 100 meters
Sapphire crystal glass
Chronograph functionality with 50-minute power reserve
Lightweight and comfortable design
Robust materials and construction

Specifications

Brand

Zenith

Family

Defy

Model

Defy El Primero 21 Ultrablue

Reference

97.9001.9004/81.R946

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 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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