展开Citizen Gents Eco-Drive Black Dial Perpetual Chronograph Bracelet Watch This Citizen Perpetual Chronograph watch is the perfect blend of power and luxury. Powered by any light source, natural or otherwise, it's presented here in a deep charcoal grey ion-plated stainless steel bracelet and casing. The black chronograph display is accentuated with silver detailing for a look that's both modern and stylish. This watch is sure to impress.