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 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, it functions without a battery, and features a 60-day power reserve when fully charged.