ZENITH 2320 Brand ZENITH Caliber 2320 Size 10 1/2 Function Version Hands 0,65x1,25 Stem 5308 Stem (subs.) Stem (2 pce) Balance staff 23803 Balance staff (subs.) Mainspring (subs.) 1.10 x 0.0 x 0.105 Mainspring (subs.) = 2310 Battery Watchparts Part NocaliberdescriptionoriginalArtno.401Winding stem8025308407= 2310Clutch wheel995004072310410= 2310Winding pignon995004102310445MARV 515Setting lever jumper combinded= Marvin 51595800445515723Balance staff ST -shock-absorber80223803770= 2310Mainspring9950077023103000Stoßsicherungsfeder oben0220213001Stoßsicherungsfeder unten022021