MIYOTA GP30 BrandMIYOTACaliberGP30Size12 1/2FunctionSC-D(12) BIGDATEVersionHands0.70x1.20x0.18Stem065-992Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial168042MIYOTAGP3012 1/20.70x1.20x0.18SC-D(12) BIGDATE WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem065-9929140065992