JUDEX 50 Brand JUDEX Caliber 50 Size 11 1/2 Function SC Version Hands 0,90x1,50 Stem 6018 Stem (subs.) Stem (2 pce) Balance staff 30216 INCA Balance staff (subs.) Mainspring (subs.) 1,1x10,0x0,12 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026018721Balnace cplt. -for shock-absorber9200072150723Balance staff ST -shock-absorber80230216