LANDERON 13 Brand LANDERON Caliber 13 Size 13 Function Version Hands 1,25x1,85 Stem 7516 Stem (subs.) Stem (2 pce) Balance staff 411/425/415 Balance staff (subs.) 44708/46201 Mainspring (subs.) 1,35x12,0x0,135 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027516723Balance staff ST -shock-absorber802411/4723Balance staff, pivoted802447088180Fly-back lever -zero actoon92008180138220BHammer, mounted, 2 functions92008220138270BMinute counter jumper92008270138320BClutch spring, 2 functions92008320138335BOperating lever spring92008335138345BBlocking lever spring9200834513