Soar to new heights with the flight-inspired Citizen Nighthawk. Features include a 1/5 second chrono measures up to 60 minutes and 12/24 hour time. Styled in a 42mm stainless steel black ion-plating with screw-back case and bracelet with safety foldover clasp with push button, it is also water resistant to 200 metres. Featuring Eco-Drive technology – powered by light, any light. Never needs a battery.