Zenith Defy El Primero 21 Carbon — Openworked Dial | Ref. 10.9000.9004/96.R921

Carbon fibre and the El Primero 21: two of the most exciting materials in contemporary watchmaking, brought together in a 44 mm statement of avant-garde intent. The Defy El Primero 21 in black carbon challenges every assumption about what a chronograph looks like, presenting an openworked dial that dissolves the boundary between case and movement — the El Primero 9004 calibre's architecture becomes the visual centrepiece, its components arranged with the deliberate precision of a mechanical painting.

The calibre 9004 is extraordinary on its own terms: capable of measuring elapsed time to 1/100th of a second, it achieves this through two separate oscillating systems — one running at 36,000 vph for timekeeping, another at 360,000 vph for the chronograph — a technical feat that earned Zenith recognition as one of the most innovative manufactures in Switzerland. The black carbon case, weighing a fraction of an equivalent steel construction, delivers this horological firepower with exceptional lightness. The black rubber strap with cordura effect and grey stitching, secured by a titanium double folding buckle with black carbon head, completes a watch that is entirely coherent in its material philosophy.

Water resistant to 10 ATM and priced at $15,680, the Defy El Primero 21 in carbon is for those who demand that their chronograph be as technically advanced as it is visually arresting. Measurable to the hundredth. Unmistakable at a glance. Time to reach your star.