HATTORY-SEIKO 8J81 Brand HATTORY-SEIKO Caliber 8J81 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4018J81Winding stem035140698403514064018J81Winding stem03514059840351405.8J81CENTER WHEEL BRIDGE01223889840122388.8J81TRAIN WHEEL BRIDGE01253899840125389.8J81CENTER WHEEL AND PINION02214089840221408.8J81CENTER WHEEL AND PINION02215009840221500.8J81FOURTH WHEEL AND PINION02414049840241404.8J81FOURTH WHEEL AND PINION02414059840241405.8J81Hour wheel02714059840271405.8J81Hour wheel02714129840271412.8J81Setting lever03833889840383388.8J81BACK PLATE89933535