HATTORY-SEIKO 6619ABrandHATTORY-SEIKOCaliber6619ASizeFunctionVersionHandsStem354-417Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)401-690Mainspring (subs.)1.35 x 9.0 AUTBatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401BHandsetting stem354-41798403544171482= 4006Ratchet wheel driving wheel505-6909840505690