A luxury men's watch from the Ulysse Nardin Acqua Perpetual Series. Features a silver-tone stainless steel case, blue 18kt white gold unidirectional rotating bezel with minute markers. The blue dial displays indices and is equipped with silver-tone hands and luminous material for visibility. Includes perpetual calendar function automatically displaying day, month, year, including leap years until the year 2095. Powered by an automatic movement ensuring smooth timekeeping without battery dependency. Scratch-resistant sapphire crystal ensures a clear view of the dial. Features a screw-down crown mechanism. Comes with transparent case back allowing visibility into the mechanical inner workings. Case shape is round measuring 43 mm in diameter and has a thickness of 14 mm. Band width: 20 mm, length: approximately 8 inches (converted from 8.00 inches). Features a fold-over clasp with double push button release. Water-resistant up to 200 meters or 660 feet for everyday use.