Citizen Men's CB0000-06E World Perpetual A-T Limited Edition Stainless Steel Watch with Black Genuine Leather Band Round watch featuring 26 world time zones on bezel, radio-controlled perpetual calendar, and sword-shape hands 44 mm stainless steel case with antireflective-sapphire dial window Japanese quartz movement with analog display Croco-embossed leather band with deployment clasp Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving.