Citizen Men's AR3045-52E "Stiletto Blade" Black Ceramic Eco-Drive Watch Imported From Citizen Men's "Stiletto Blade" collection, this timepiece, with its contemporary, minimalist lines, boasts the title of the thinnest light-powered watch in the world. This Eco-Drive watch is fueled by light, so it never needs a battery. Construction features black ceramic case and bracelet and protective sapphire crystal dial window Water-resistant to 30 m (99 feet)