JUNGHANS 50 Brand JUNGHANS Caliber 50 Size 10 1/2 Function Version Hands 0,70x1,30 Stem 5420 Stem (subs.) Stem (2 pce) Balance staff 22701 Balance staff (subs.) 24401 INCA Mainspring (subs.) 1,3x9,0x0,10 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025420723Balance staff ST -shock-absorber80222701723Balance staff, pivoted80224401