this watch features a seiko nh35 automatic movement, a 40 mm 904L steel case, and steel bracelet, scratch free saphire crystal and ceramic bezel insert. You get +35 hrs of power reserve, screwdown crown and caseback for waterproofness. The movement is also hackable and will be adjusted on a timegrapher to run at 0 to + 2 sec/day. With over 500+ sales on etsy my mods are highly rated and loved around the world. 

//Mo