IWC 88BrandIWCCaliber88SizeFunctionVersionHandsStem7455Stem (subs.)Stem (2 pce)Balance staffDCN 1782Balance staff (subs.)Mainspring (subs.)04138-DBH 1,50x10,5x0,105x360Mainspring (subs.)Ersatz 04125BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401BWinding stem8027455723Balance staff ST -shock-absorber94207239