IWC 44 Brand IWC Caliber 44 Size Function Version Hands Stem 5316 Stem (subs.) 5315 Stem (2 pce) Balance staff 26508 Balance staff (subs.) Mainspring (subs.) 0,95 x 5,5 x 0,06 AUT Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025316401Aufzugwelle Ersatz8025315443= 442Setting lever94200443442705Escape wheel -pinion straigt piv.710Pallet fork -pinion 1 lower end-piec.710Pallet fork -pinion 1 lower end-piec.710BPallet fork -pinion 1 lower end-piec.9420071044723Balance staff ST -shock-absorber80226508771BMainspring AUT sliding attachemnet94200771443025Stoßsicherung kpl unten022152