Zenith

Zenith's story centers on one movement: the El Primero. Launched in 1969 as the world's first automatic chronograph, the El Primero remains in production today—still beating at 36,000 vibrations per hour, still capable of measuring time to 1/10th of a second. It's the movement Rolex chose for the Daytona. It's the movement that defines Zenith.

Georges Favre-Jacot's Vision (1865)

At just 22 years old, Georges Favre-Jacot established a watch manufacture in Le Locle, Switzerland in 1865. His innovation wasn't mechanical but organizational: rather than using the traditional cottage industry model (where craftsmen worked from home), he brought all workers under one roof. This allowed standardization, quality control, and efficiency that smaller workshops couldn't match.

By 1900, Zenith employed over 1,000 workers and had won numerous precision awards. The company produced everything in-house—movements, cases, dials—making it one of the first true manufactures in the modern sense.

The El Primero (1969)

In 1969, three companies raced to introduce the world's first automatic chronograph. Zenith won—launching the El Primero on January 10, 1969 (though some historians give the edge to Seiko or the Heuer-Breitling consortium, depending on which "first" you're measuring).

What matters isn't the race but the result. The El Primero beat at 36,000 vph—50% faster than standard movements—allowing it to measure elapsed time to 1/10th of a second. The high frequency also improved accuracy. It was an engineering tour de force.

The Rolex Connection

In 1988, Rolex needed an automatic chronograph movement for the Daytona. Rather than develop one internally (which would take years), they chose the El Primero—modified to run at 28,800 vph and fitted with Rolex's own escapement and balance wheel.

From 1988 to 2000, every Rolex Daytona used a Zenith El Primero base. This validation from the world's most prestigious watch brand cemented the El Primero's legendary status. When Rolex finally developed an in-house chronograph movement, Zenith had already proven that the El Primero could meet the most demanding standards.

The Defy Collection

While the El Primero remains Zenith's heart, the Defy collection represents its future. The Defy El Primero 21 measures to 1/100th of a second using two escapements—one for timekeeping, one for the chronograph—beating at an incredible 360,000 vph. The Defy Lab replaced the traditional escapement entirely with a silicon oscillator.

The Chronomaster

The Chronomaster collection houses the El Primero in its purest form. The distinctive tri-color subdials (blue, gray, and silver) have become a Zenith signature, though the brand now offers cleaner dial options as well. The Chronomaster Original, with its pump pushers and vintage-inspired design, pays homage to the 1969 original.

The Pilot's Watches

Less known than the El Primero but equally historical, Zenith supplied cockpit instruments and pilot's watches to military air forces throughout the 20th century. The modern Pilot collection—particularly the Type 20—continues this heritage with large cases, cathedral hands, and oversized crowns.

Today's Zenith

Under LVMH ownership since 1999, Zenith has focused increasingly on its core strength: high-frequency chronographs. The Chronomaster remains the flagship, the Defy pushes boundaries, and the Pilot collection serves heritage enthusiasts.

Zenith's position is unique: it's one of the few brands that genuinely manufactures its own movements (having done so since 1865), yet it remains more accessible than many competitors. The El Primero—saved from destruction by a loyal watchmaker—continues to beat at its legendary 36,000 vph, proving that some things are worth preserving.