For active men and water sports enthusiasts, Citizen Men's Eco Drive Rubber Strap 200M Watch is a high-quality timepiece with a stainless steel case and unidirectional, stainless steel bezel. The bold black dial has full chrono function and a tachymeter with striking, sky-blue accents. Ideal for divers and outdoor adventures, the ISO-certified Citizen Men's Eco Drive Rubber Strap Watch is water resistant to 660 feet (200 meters) and features a depth display to 125 feet. The durable rubber watchband has a stainless steel buckle and the mineral crystal window is scratch resistant for rugged wear. Powered by Japanese quartz movement and fueled by natural and artificial light, the Citizen Men's Eco Drive Rubber Strap 200M Watch is ecologically friendly, functions without a battery, and features a 60-day power reserve when fully charged.