A sport style with bold detailing at an affordable price, the CITIZEN PRT model truly represents the every day watch. Powered by any light with Eco-Drive, this model is displayed with a stainless steel case and bracelet, black ion-plated bezel and bold black dial with bright orange accents. Featuring power reserve indicator and date. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number J850.