LIENGME 3051 Brand LIENGME Caliber 3051 Size 13 Function Version Hands Stem 8507 Stem (subs.) Stem (2 pce) Balance staff 31709 Balance staff (subs.) 30908 Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8028507723Balance staff ST -shock-absorber80231709723Balance staff, pivoted80230908