UMF 33-50BrandUMFCaliber33-50Size8 3/4FunctionVersionHands0,80x1,20Stem7334Stem (subs.)Stem (2 pce)Balance staff29818Balance staff (subs.)Mainspring (subs.)1,20x7,50x0,08Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027334723Balance staff ST -shock-absorber80229818