Sleek, elegant and ultra-thin, the Citizen Eco-Drive Stiletto collection was introduced as the world's thinnest light-powered watch. This black, ion-plated stainless steel design features a sleek black dial with silver-tone stick markers set beneath sapphire crystal in a stylized rectangular case. It's a perfect fit for the current trend. Featuring Citizen's Eco-Drive technology – powered by light, any light – so it never needs a battery.