A.V. 423BrandA.V.Caliber423Size10 1/2FunctionVersionHands0,70x1,30Stem6025Stem (subs.)Stem (2 pce)Balance staff22301Balance staff (subs.)23802 INCAMainspring (subs.)1,1x9,0x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.227BSweep second pinion92000227423401Winding stem8026025407Bclutch wheel92000407423410BWinding pinion with square hole92000410423430BClick spring92000430423445BSetting lever spring92000445423705BEscape wheel -pinion straigt piv.92000705423721BBalnace cplt. -for shock-absorber92000721423721BBalnace cplt. -for shock-absorber920007214231723Balance staff, pivoted80223802723Balance staff ST -shock-absorber80222301