Defy Skyline Skeleton

The Defy Skyline Skeleton brings a contemporary edge to Zenith’s storied Defy line, blending avant-garde design with the brand’s high-frequency heritage. Its openworked dial showcases the El Primero 3620 SK automatic movement, a 5Hz caliber visible through both the front and sapphire caseback—an engineering feat that appeals to collectors who appreciate technical mastery and visual intrigue in equal measure.

This 41mm model wears comfortably thanks to its angular, brushed steel case and integrated bracelet, echoing the architectural lines that made the original Defy famous in the 1970s. The skeletonized dial, with its four-pointed star motif, sets the Skyline apart from other Defy variants, making reference 03.9300.3620/78.I001 especially sought after among those chasing Zenith’s boldest aesthetics. Water resistance to 100 meters adds real-world versatility, a rare trait in openworked pieces.

Prices fluctuate based on dial color and bracelet options, with the blue skeleton variant typically commanding a premium. Factory-finished bracelets and original deployant clasps are important for value retention, as Zenith’s integrated design is difficult to replace authentically. The El Primero 3620 SK’s 60-hour power reserve and quick-set date further enhance daily wear appeal, making this model a compelling choice for collectors seeking a modern, technically advanced Zenith with unmistakable wrist presence.