VALJOUX 231BrandVALJOUXCaliber231Size13FunctionVersionHands1,10x1,60Stem6516Stem (subs.)6540Stem (2 pce)Balance staff35901Balance staff (subs.)35904/36703Mainspring (subs.)1,30x11,50x0,14Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026516401Aufzugwelle Ersatz8026540723Balance staff, pivoted80235904723Balance staff ST -shock-absorber80235901