HAMILTON 63BrandHAMILTONCaliber63SizeFunctionVersionHandsStem6334 (=ETA 2451)Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026334