Zenith Defy Skyline Chronograph SS Blue Skeleton Dial

Introduced in 2025, the Zenith Defy Skyline Chronograph Skeleton reference 03.9500.3600/79.I001 brings the modern Defy design language into a more technical, openworked format. Its 42mm stainless steel case with the collection's faceted bezel and integrated bracelet preserves the sharp late-1960s Defy inspiration while giving full visual access to the movement. The blue skeletonized dial and matching movement architecture create a monochromatic, architectural presentation that feels distinctly contemporary within Zenith's sports chronograph line. Powering the watch is the automatic El Primero 3600SK, a skeletonized evolution of Zenith's high-frequency chronograph caliber introduced in 2019 to mark the 50th anniversary of El Primero. Operating at 5Hz, the movement enables true 1/10th of a second chronograph timing, with the central chronograph hand making one rotation every 10 seconds for unusually intuitive elapsed-time reading. Collectors will appreciate that this caliber preserves the column-wheel El Primero character while revealing more of the underlying mechanics through both dial side and display back. The Defy Skyline Chronograph Skeleton is not a numbered limited edition, but it was launched as a 2025 release through Zenith boutiques, online channels, and authorized retailers worldwide. Its combination of integrated-bracelet sports watch styling, skeleton execution, and high-beat El Primero performance gives it a strong position within Zenith's current catalog. For buyers drawn to modern Zenith references with genuine mechanical distinction, this blue 03.9500.3600/79.I001 stands out as one of the most technically expressive Defy Skyline chronographs of its generation. Like New with Zenith box and undated papers.