320-22-32, Brand Ulysse Nardin, Model Gmt Perpetual Series, Case Material 18kt white gold, Strap Type black leather strap with deployment clasp, Case Size 38.5 mm, Case Shape round, Dial Color grey, Crystal Sapphire crystal (scratch resistant), Movement Calibre UN-32 automatic movement containing 34 jewels and beating at 28800 vph, Power Reserve approx 48 hours, Water Resistance 30 meters / 100 feet, Functions year, month, date, day, hour, minute, second, GMT (with second time zone), Features luminous blue leaf-style hands, index hour markers, minute markers around outer rim, perpetual calendar displayed on a subdial, small seconds subdial, Luminescent elements including hands and markers for visibility in low light