JUNGHANS 29a Brand JUNGHANS Caliber 29a Size 19 Function Stopp Version Hands Stem 13703 Stem (subs.) Stem (2 pce) Balance staff 53501 Balance staff (subs.) 55601 Mainspring (subs.) 2,15x13,5x0,13Sp. Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem80213703411BWinding pinion with square hole9460041129723Balance staff ST -shock-absorber80253501723Balance staff, pivoted80255601