IWC 421 Brand IWC Caliber 421 Size Function Version Hands Stem 6338 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.180/1C403Barrel complete -with mainspring94200180403401Winding stem8026338
