Description: "In rose gold and stainless steel, this Citizen watch has suave looks that hide many innovative features. The innovative Eco-Drive technology means it is powered by both natural and artificial light, so you'll never need a battery. Main features: Perpetual calender Non reflective crystal glass Screw back case 12/24 hour dual time Alarm Luminous hands and markers 1/20 second chronograph Perpetual calendar"