IWC 884-2BrandIWCCaliber884-2SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180Barrel with drum + cover94200180884415Ratchet wheel710BPallet fork -pinion 1 lower end-piec.94200710884771BMainspring AUT sliding attachemnet94200771884