IWC 97BrandIWCCaliber97Size17FunctionVersionHands0,80x1,40Stem7411Stem (subs.)Stem (2 pce)Balance staff36012Balance staff (subs.)Mainspring (subs.)SpezialMainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.224BSecond wheel -long lower pivot9420022497401Winding stem8027411723BBalance staff ST -shock-absorber80236012