LANCO 1233 Brand LANCO Caliber 1233 Size 12 Function SC-AUT Version Hands 0,90x1,40 Stem 7542 Stem (subs.) Stem (2 pce) Balance staff 31212 Balance staff (subs.) Mainspring (subs.) 1,5x9,0x0,10 Mainspring (subs.) 820 3952 0 Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027542723Balance staff ST -shock-absorber80231212771= AS 1361Mainspring AUT sliding attachemnet820395201482= 1261aRatchet wheel driving wheel