This Nighthawk chronograph men's watch from Citizen showcases day-to-night style with its 42mm yellow-gold-tone stainless steel case surrounded by sparkling crystals, and crystal accents on the black dial and yellow-gold-tone stainless steel bracelet. Chronograph subdials measure up to 60 minutes of elapsed time, 12/24 hour time, and 1/5 seconds. Water-resistant to 200 meters, the men's watch features an Eco-Drive movement, powered by any light, so it never needs a battery. This watch includes a coordinating bracelet, also adorned with crystal accents.