HATTORY-SEIKO 4M71 Brand HATTORY-SEIKO Caliber 4M71 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4014M71Winding stem035155298403515523027-26Z= 4M61Kondensator3027-26Z9840302726Z.4M71MAIN PLATE(PLASTIC)01005539840100553.4M71TRAIN WHEEL BRIDGE01255529840125552.4M71CENTER WHEEL AND PINION02215549840221554.4M71FOURTH WHEEL AND PINION02415569840241556.4M71Hour wheel02715579840271557.4M71Setting lever03835529840383552