Ulysse Nardin Executive Skeleton Tourbillon mens' watch with manual winding movement, UN-171 calibre. Features a grey titanium case, blue leather strap with carbon structure elements, fixed unidirectional rotating bezel combining blue titanium and ceramic, skeleton dial design with luminous hands and index hour markers including Roman numerals at 3,9,12 o'clock positions, analog display, date function, sapphire crystal crystal for scratch resistance, screw-down crown, transparent case back, round case shape measuring 45mm in diameter and 12.6mm thick, water resistant to 30 meters/100 feet.
