UNITAS 181BrandUNITASCaliber181Size9 3/4FunctionVersionHands0,70x1,30Stem6912Stem (subs.)Stem (2 pce)Balance staff31216 INCABalance staff (subs.)Mainspring (subs.)1,55x8,5x0,09Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026912723Balance staff ST -shock-absorber80231216