Citizen Watch Eco Drive Navihawk Color. Soar to new heights with the new Nighthawk timepiece from the Promaster Air Collection. Featuring a black ion-plated stainless steel case and bracelet and a deep green camo print dial, this timepiece is packed with advanced functions including a 1/5 second chronograph that measures up to 60 minutes, 12/24 hour time and a tachymeter. It also has luminous hands and markers, a safety fold-over clasp with push buttons and is water resistance to 200 metres. This sporty mens watch is the perfect accessory for adventure and style seekers alike. Featuring Citizens proprietary Eco-Drive technology that is powered by any light and never needs a battery.