The Zenith Defy Skyline, reference 16.9400.670/51.I001, features a stainless steel case with a diameter of 36mm. This automatic watch is powered by the Zenith caliber Elite 670 movement and was released in 2023. It showcases a blue dial and includes a date function for added practicality. The design emphasizes a modern aesthetic while maintaining the brand's commitment to precision and reliability.