CERTINA 13-11 Brand CERTINA Caliber 13-11 Size 5 1/2 Function Version Hands 0,55x1,10 Stem 6604 Stem (subs.) Stem (2 pce) Balance staff 28022 INCA Balance staff (subs.) Mainspring (subs.) 1,4x6,0x0,06 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.407= 13-10Clutch wheel912004071310410= 12-10Winding pignon912004101210723Balance staff ST -shock-absorber80228022