This nighthawk chronograph men's watch from citizen showcases day-to-night style with its yellow-gold-tone stainless steel case surrounded by sparkling crystals. 42mm gold-tone stainless steel case black dial with date window chronograph subdials measure up to 60 minutes of elapsed time, 12/24 hour time, and 1/5 seconds featuring eco-drive technology, the watch is sustainably powered by any light so it never needs a battery gold-tone stainless steel watch bracelet; push-button fold-over clasp 200-meter water resistance this watch includes a coordinating bracelet, also adorned with crystal accents.