Men's Ulysse Nardin diver chronograph. 44mm rose gold case, black rubber strap. Uni-directional rotating bezel with both outer and elapsed time rings in rose gold. Black dial features luminous hands and markers, index hour markers, minute markers at the outer rim, date display at the 3 o'clock position, analog dial type. Chronograph functions via three sub-dials: seconds (60 sec), minutes (30 min), hours (12 hr). Automatic movement Calibre UN-150 with 25 jewels and a frequency of 28,800 vph; approximate power reserve is 48 hours. Scratch resistant sapphire crystal lens. Screw-down winding/crown. Transparent case back. Round shape. Water resistant to 300 meters / 1000 feet (diver rated). Swiss Made.