Seiko Women's Coutura Diamond Watch SXDA37 isp collection vintage Seiko SKA553 Core Kinetic Power Seiko SKA553 Core Kinetic Power Reserve men's watch features a 43mm wide and 13mm thick solid stainless steel case with a fixed black bezel and textured push pull crown with function pushers Seiko SNL067 is powered by Japanese 7L22 Kinetic chronograph movement(Kinetic is powered by the motion of your wrist so it never needs a battery change) This beautiful watch also comes with high quality Japanese quartz movement polished finish stainless steel bracelet with fold over safety clasp and white mother of pearl dial with date display