VENUS 77BrandVENUSCaliber77Size8 3/4FunctionVersionHands0,60x1,20Stem7310Stem (subs.)Stem (2 pce)Balance staff28205Balance staff (subs.)28210 INCAMainspring (subs.)1,5x7,0x0,08Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027310723Balance staff ST -shock-absorber80228205723Balance staff, pivoted80228210