MIDO 0657BrandMIDOCaliber0657Size6 3/4FunctionVersionHands0,70x1,20Stem5052Stem (subs.)Stem (2 pce)Balance staff28041Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025052723Balance staff ST -shock-absorber802280411488= ETA 2550Pawel winding wheel9200148825501530= ETA 2550Auxilary reversing wheel920015302550