LANDERON 53 Brand LANDERON Caliber 53 Size 14 1/2 Function CHR Version Hands 1,25x1,90 Stem 7421 Stem (subs.) Stem (2 pce) Balance staff 45302 Balance staff (subs.) Mainspring (subs.) 1,45x13,5x0,15 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027421723Balance staff ST -shock-absorber80245302