AS 1648BrandASCaliber1648Size13FunctionVersionHands0,80x1,50Stem7323Stem (subs.)Stem (2 pce)Balance staff26302Balance staff (subs.)28215Mainspring (subs.)1,45x11,5x0,13Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027323723Balance staff, pivoted80228215723Balance staff ST -shock-absorber80226302