Through the limited-edition of Diver [ATOLL], Ulysse Nardin charts a brand-new course to sun-drenched, undiscovered climes, enriching the Diver 39mm with an astonishing stone-cut dial of chrysocolla. Caliber UN-816Self-winding Classic or unconventional, simple or complex, for men or women, our collection of calibers is one of the most extensive and diverse in the industry. It is based on a culture of innovation, independence and quality that has made Ulysse Nardin one of the most advanced brands in creative watchmaking. A complex composition Number of parts: 205Number of jewels: 19Total diameter (mm): 29An impressive precision & longevity Frequency (Hz): 4Frequency (vph): 28800Power Reserve (H): 42Functions: Hours, minutes and seconds. Date. Escapement: Silicon