LIENGME 3051BrandLIENGMECaliber3051Size13FunctionVersionHandsStem8507Stem (subs.)Stem (2 pce)Balance staff31709Balance staff (subs.)30908Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8028507723Balance staff, pivoted80230908723Balance staff ST -shock-absorber80231709