SEIKO MOD WATCH - GREAT WHITE SHARK Seiko MOD watch with NH36 automatic movement manufactured by Seiko parts and an authentic movement. The case is 40mm a with solid silver back casing and front crystal display. Case and strap both made of 316L alloy stainless steel. The movement has hours, minutes, seconds and calendar functions, with the seconds hand stopping in the process of setting the time for greater accuracy. It has a power reserve of 41 hours, and automatic winding. Fitted perfectly, minimal deviation. Free shipping with Royal Mail Special Delivery!