VENUS 158BrandVENUSCaliber158Size8 3/4x12FunctionVersionHands0,80x1,40Stem7008Stem (subs.)Stem (2 pce)Balance staff29505Balance staff (subs.)29710 INCA / 30505 SSRMainspring (subs.)1,35x10,0x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027008723Balance staff ST -shock-absorber80229505723Balance staff, pivoted80229710