A.V. 424BrandA.V.Caliber424Size10 1/2FunctionVersionHands0,70x1,30Stem6025Stem (subs.)Stem (2 pce)Balance staff22301Balance staff (subs.)23802 INCAMainspring (subs.)1,1x9,0x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026025723Balance staff, pivoted80223802723Balance staff ST -shock-absorber80222301