JUNGHANS 688.10 Brand JUNGHANS Caliber 688.10 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.206= 688.00Center wheel drilled without cannon94600206688225BSweep second wheel920002257734421= 688.00Crown wheel lower9460042188