Citizen Promaster Diver Luminous Black Dial Men's Watch BN0200-56E
With Eco-Drive technology, it is powered by light and never needs a battery, so you'll never need to open your caseback or compromise your dive again. Featured in a Super Titanium™ case and bracelet, aluminum bezel and black dial, one-way rotating elapsed time and WR200. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number E168.