SHIOJIRI Y520 BrandSHIOJIRICaliberY520Size11.50mmFunctiono. SCVersionHands0.45x0.90Stem351-930Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial160915HATTORY-SEIKO1E2011.50mm0.45x0.90o. SC WatchpartsPart NocaliberdescriptionoriginalArtno.401Y520Winding stem03519309840351930.Y520MAIN PLATE(PLASTIC)01019349840101934.Y520TRAIN WHEEL BRIDGE01259349840125934.Y520CENTER WHEEL AND PINION02219309840221930.Y520FOURTH WHEEL AND PINION02419309840241930.Y520Hour wheel02719309840271930.Y520Setting lever03839309840383930