DEFY Skyline Tourbillon in a 41mm steel octagonal case with a faceted bezel, featuring a blue sunburst-patterned dial revisiting the emblematic ZENITH four-pointed star. The opening on the dial reveals the 60-second tourbillon with a star-shaped carriage. Zenith Defy Skyline Blue Dial Tourbillon watch is powered by the El Primero 3630 high-frequency automatic manufacture movement with a power reserve of 60 hours. Interchangeable steel bracelet and blue patterned rubber strap.