Zenith Defy: The Modern Collection

The Defy name first appeared in 1969 — the same year as the El Primero — as a cushion-case sports watch that ran a modified automatic movement with a shock-absorbing system. The original Defy was discontinued, revived briefly in the 1990s, and then largely absent from the catalogue for two decades. When Julien Tornare became CEO in 2017, the Defy's revival was his first significant product decision. The resulting collection — reintroduced at Baselworld 2017 — is built around what Zenith does distinctively well: high-frequency movements and technical innovation expressed through visible architecture.

The Original Defy — 1969

The first Defy was a sports model launched alongside the El Primero in 1969. Its defining feature was the Epsa Super-Compressor case — a cushion-case design with a crown-locking mechanism and an internal case architecture that provided resistance to magnetic fields, shock, and water. The case shape gave the original Defy its visual character: rounded cushion form, prominent crown protectors, and an integrated bracelet integration.

The original Defy ran the Calibre 3019 PHC — the same El Primero movement — making it functionally the first sports chronograph with automatic high-frequency movement. It was not a commercial success in its era; the quartz crisis arrived almost immediately. But its combination of El Primero mechanics with a robust sports case was ahead of its time.

Defy Revival — 2017

The modern Defy collection launched at Baselworld 2017 under CEO Julien Tornare. The relaunch was structured around three propositions: a skeleton dress watch (Defy Classic), a high-frequency pilot-style watch (Defy Lab, a concept piece with a monolithic oscillator), and — the most technically significant — the 1/100th-second chronograph that became the Defy El Primero 21.

The 2017 Defy revival coincided with the introduction of the Calibre 9004 , the dual-oscillator movement that enabled 1/100th-second measurement. The combination of the revived Defy name with a genuinely unprecedented movement was the brand's clearest positioning statement in a decade.

Defy Classic

The Defy Classic is the skeleton expression of the Defy collection — a 41mm case around an open-worked movement that renders the Elite architecture visible from both sides.

Specifications:
- Case diameter: 41mm
- Movement: Elite 670 SK (skeletonised configuration)
- Frequency: 28,800 vph
- Power reserve: 50 hours
- Case: Titanium or titanium with DLC coating
- Crystal: Sapphire front and caseback

The Elite 670 SK uses the same dimensions and specifications as the standard 670 — 25.6mm diameter, 27 jewels, 28,800 vph — with the bridges and plates open-worked to expose the gear train and escapement. The skeletonisation is architectural rather than decorative: it follows the movement's functional geometry rather than adding pattern-cut embellishment.

Defy Skyline

The Defy Skyline, introduced in February 2022 , is the collection's most commercially significant addition since the original 2017 relaunch. It applies a distinctive star-pattern motif to the dial and case — a design reference to the twinkling star symbol historically associated with Zenith's astronomical name — while running the Calibre 3620 , the non-chronograph derivative of the El Primero platform.

Specifications:
- Case diameter: 41mm
- Movement: El Primero Calibre 3620
- Frequency: 36,000 vph
- Power reserve: 60 hours
- Water resistance: 100m
- Dial: Star-facet pattern; available in multiple colours

The Calibre 3620 is a non-chronograph movement that nonetheless runs at 36,000 vph — the El Primero's frequency — and uses that oscillation rate to drive a 1/10th-second subdial directly. Where the Chronomaster needs to be running as a chronograph to display 1/10th-second precision, the Skyline displays elapsed tenths of a second as a permanent subdial. This is an unusual complication: a non-chronograph watch that offers finer time resolution than most chronographs.

Defy Extreme

The Defy Extreme is the collection's most robust proposition: a 45mm case with 200m water resistance, housing the Calibre 9004 (the dual-oscillator 1/100th-second movement from the El Primero 21) in a configuration optimised for sports use.

Specifications:
- Case diameter: 45mm
- Movement: El Primero Calibre 9004
- Timekeeping oscillator: 36,000 vph
- Chronograph oscillator: 360,000 vph
- Power reserve: 50 hours (timekeeping) / 50 minutes (chronograph)
- Water resistance: 200m
- Case: Grade 5 titanium with rubber integration

The Defy Extreme brings the 1/100th-second capability of the El Primero 21 into a case architecture designed for environments — not merely designed to look as though it could handle them. The 200m water resistance doubles the Defy El Primero 21's specification; the titanium/rubber case construction minimises weight at 45mm.

Defy El Primero 21

The Defy El Primero 21 is the watch built around the Calibre 9004 — the movement that achieves 1/100th-second mechanical chronograph measurement. The full technical specification and development story is covered in the El Primero 21 article; the relevant context here is how the Defy case serves the movement.

Specifications:
- Case diameter: 44mm
- Movement: El Primero Calibre 9004
- Water resistance: 100m
- Case: Titanium

The 44mm case provides the dial space required to make the 1/100th-second hand readable. At the chronograph's 10 Hz (360,000 vph) oscillation rate, the hand completes one full revolution per second — the scale must be legible for that rate of advance to be useful rather than merely decorative.

The Defy Collection in Context

The four Defy models represent a coherent expansion of Zenith's technical range. The Classic and Skyline are daily-wear propositions — the Classic demonstrating movement architecture, the Skyline providing the 36,000 vph frequency in a sports-casual context. The El Primero 21 and Extreme are complications-forward pieces built around what remains the world's only mechanical 1/100th-second wristwatch movement.

The Defy collection's position in the current catalogue is distinct from the Chronomaster's. Where the Chronomaster is heritage-connected — continuous lineage to 1969, conservative evolution of a canonical design — the Defy is the platform for forward-facing technical development. The Calibre 9004 appeared in the Defy. The monolithic oscillator concept appeared in the Defy. The future technology demonstrations from Zenith appear in the Defy.

Frequently Asked Questions

When was the Defy revived?
The modern Defy collection launched at Baselworld in 2017 under CEO Julien Tornare. The name originally appeared in 1969 on a cushion-case sports chronograph running the El Primero movement.

What is the Defy Skyline?
A 41mm sports watch introduced in February 2022, running the El Primero Calibre 3620 at 36,000 vph with a 60-hour power reserve. Its distinctive star-facet dial pattern references the Zenith star symbol. The Calibre 3620 drives a 1/10th-second subdial without requiring a running chronograph.

What is the difference between the Defy El Primero 21 and the Defy Extreme?
Both run the Calibre 9004 (1/100th-second dual-oscillator chronograph). The El Primero 21 is 44mm with 100m water resistance; the Extreme is 45mm with 200m water resistance and titanium/rubber case construction designed for more demanding environments.

What movement is in the Defy Classic?
The Elite 670 SK — the skeletonised configuration of the 670 calibre. 25.6mm, 27 jewels, 28,800 vph, 50-hour power reserve.

Related Articles

• Zenith: The Le Locle Manufacture
• Zenith El Primero: The Automatic Chronograph
• Zenith El Primero 21: 1/100th Second
• Zenith Chronomaster: The El Primero Collection
• Zenith Elite: The Movement Family