A.V. 39BrandA.V.Caliber39Size7 3/4FunctionVersionHands0,60x1,20Stem6815Stem (subs.)Stem (2 pce)Balance staff28018Balance staff (subs.)27714 INCAMainspring (subs.)1,5x7,0x0,07Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem802681572139Balnace cplt. - Inca9200072139172139Balnace cplt. -normal9950072139723Balance staff, pivoted80227714723Balance staff ST -shock-absorber80228018