The Zenith Defy Skyline Skeleton 03.9300.3620/78.I001 features a 41mm stainless steel octagonal case with a faceted bezel. The black openworked dial showcases the emblematic Zenith four-pointed star. Powered by the El Primero 3620 SK high-frequency automatic movement, it includes a 1/10th of a second counter at 6 o'clock. The watch offers an interchangeable strap system, including a stainless steel bracelet and a black rubber strap with a starry sky pattern. Reference number: 03.9300.3620/78.I001.