ZENITH Defy Skyline Tourbillon Skeleton El Primero 3630 SK Automatic 41mm Watch sapphire Its open cuff design is

Its open cuff design is both contemporary and chic

creating a mesmerizing design that effortlessly enhances any ensemble

Naval 'Frogman' teams and featured in the 1951 smash-hit movie 'The Frogmen'

equipped with a silicon balance spring

ZENITH Defy Skyline Tourbillon Skeleton El Primero 3630 SK Automatic 41mm Watch sapphire Its open cuff design isThe DEFY Skyline Tourbillon Skeleton marks a new chapter for the collection, where transparency becomes structure, and mechanical complexity takes on an architectural presence. As the first tourbillon skeleton within the DEFY Skyline line, it reveals an entirely openworked interpretation of the El Primero movement, suspended within a radiant rose gold case whose facets capture and reshape the light.