Citizen Men's BJ2115-07E Eco-Drive Depth Meter Chronograph Imperial Rubber Dive Watch Imported ISO-certified watch featuring textured bezel, power reserve indicator and guilloche dial with chronograph functions and date window Eco Drive technology is fueled by light and it never needs a battery 50 mm stainless steel case, mineral dial window, and Japanese quartz movement with analog display Rubber band with buckle closure Water resistant to 200 m (660 ft)