HATTORY-SEIKO M516A Exploded diagram BrandHATTORY-SEIKOCaliberM516ASizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno..M516LIQUID CRYSTAL PANEL451050598404510505.M516SPEAKER COVER86700063