Zenith Defy Xtreme Chronograph Zenith Defy Xtreme Chronograph from Alexander Petrov Zenith Defy Xtreme Chronograph Modeled in Rhinoceros 5, and VSR Shape. gLike Zenith Defy Xtreme Chronograph Modeled in Rhinoceros 5, and VSR Shape. 3D Modeling Industrial Design Product Design Share R 7 n Alexander Petrov Designer, Surface modeler, Visualisation artist Sofia, Bulgaria Follow Contact