ZENITH 2320BrandZENITHCaliber2320Size10 1/2FunctionVersionHands0,65x1,25Stem5308Stem (subs.)Stem (2 pce)Balance staff23803Balance staff (subs.)Mainspring (subs.)1.10 x 0.0 x 0.105Mainspring (subs.)= 2310BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025308407= 2310Clutch wheel995004072310410= 2310Winding pignon995004102310445MARV 515Setting lever jumper combinded= Marvin 51595800445515723Balance staff ST -shock-absorber80223803770= 2310Mainspring9950077023103000Stoßsicherungsfeder oben0220213001Stoßsicherungsfeder unten022021