HATTORY-SEIKO 8N70 Brand HATTORY-SEIKO Caliber 8N70 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4018N70Winding stem035138798403513874018N70Winding stem035138898403513884018N70Winding stem03513849840351384.8N70TRAIN WHEEL BRIDGE01252109840125210.8N70FOURTH WHEEL AND PINION02413859840241385.8N70CENTER MINUTE WHEEL02704019840270401.8N70Hour wheel02714339840271433.8N70Hour wheel02714359840271435.8N70Hour wheel02714379840271437.8N70Setting lever03833879840383387.8N70BACK PLATE89941915