The Zenith Defy Skyline ref: 03.9300.3620/80.I001 features a stainless steel case with a diameter of 41mm. This model showcases a skeleton dial, revealing the intricate workings of the Zenith caliber El Primero 3620 SK automatic movement. Introduced in 2023, it includes a foudroyante function, allowing for precise timing. The watch combines modern design with advanced mechanics, making it a notable addition to any collection.