Revamped and reinvented, the antique styled CITIZEN¨ PROMASTER Nighthawk is here to stay. Features include world time in 26 time zones, perpetual calendar, anti-shock and date. Shown here in a stainless steel case, coffee brown leather strap with yellow contrast stitching and royal blue dial. Featuring our Eco-Drive technology Ð powered by light, any light. Never needs a battery.