IWC 89 Brand IWC Caliber 89 Size Function Version Hands Stem 7455 Stem (subs.) Stem (2 pce) Balance staff 31026 Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.205BCenter wheel drilled + cannon94200205C89275Sweep second pinionB94200275C89401Winding stem8027455410BWinding pignon94200410C89425BClicking spring94200425C89430BClick spring94200430C89445Setting lever jumper combinded9420044589471BFriction spring f. sweep sec.-pinion9420047189723Balance staff ST -shock-absorber80231026
