MARVIN 525BrandMARVINCaliber525SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.407Bclutch wheel95800407525410BWinding pinion with square hole95800410525