IWC 403 Brand IWC Caliber 403 Size Function Version Hands Stem 5317 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.180/1BBarrel complete -with mainspring94200180403210BThird wheel94200210403275BSweep second pinion94200275403401Winding stem8025317407BClutch wheel94200407403410BWinding pignon94200410403430BClick spring94200430403443BSetting lever assembled94200443403471854Friction spring f. sweep sec.-pinion94200471403710BPallet fork -pinion 1 lower end-piec.94200710403770BMainspring94200770403
