LANDERON 50 Brand LANDERON Caliber 50 Size 13 3/4 Function CHR Version Hands 1,30x1,85 Stem 7516 Stem (subs.) 7517 wd Stem (2 pce) Balance staff 41701 Balance staff (subs.) 42501 INCA Mainspring (subs.) 1,35x12,0x0,14 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027516401Aufzugwelle Ersatz8027517407= 48Clutch wheel9200040748410= 48Winding pignon9200041048723Balance staff, pivoted80242501723Balance staff ST -shock-absorber80241701