VENUS 172BrandVENUSCaliber172Size12 1/2FunctionCHRVersionHands1,30x2,00Stem6602Stem (subs.)Stem (2 pce)Balance staff39501Balance staff (subs.)40005 INCA / 40701 SSRMainspring (subs.)1,8x10,0x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026602723Balance staff ST -shock-absorber80239501723Balance staff, pivoted80240005