ZENITH Chronomaster Sport Skeleton El Primero 3600 SK Automatic Chronograph 41mm Watch Screw Down Crown Modena Yellow - Lined

Modena Yellow - Lined

Alternating satin-brushed and polished surfaces accentuate the 41mm case’s geometry

Whether worn alone as a subtle statement or paired with other jewelry for a layered look

showcasing the brand's unique design codes

ZENITH Chronomaster Sport Skeleton El Primero 3600 SK Automatic Chronograph 41mm Watch Screw Down Crown Modena Yellow - LinedWhen ZENITH introduced the El Primero in 1969, it did more than launch the worlds first automatic, integrated high frequency chronograph. It established a new standard of precision in mechanical watchmaking. Beating at 5Hz, 36 000 vibrations per hour, and capable of measuring 1 10th of a second, the El Primero became the technical foundation of the Maisons identity. At Watches and Wonders 2026, ZENITH unveils a new expression of this legacy: the