UNITAS 651BrandUNITASCaliber651Size13FunctionCLDVersionHands0,90x1,50Stem7040Stem (subs.)Stem (2 pce)Balance staff28110Balance staff (subs.)28716 INCAMainspring (subs.)1,5x11,5x0,135Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027040723Balance staff, pivoted80228716723Balance staff ST -shock-absorber80228110