AS 1644BrandASCaliber1644Size11 1/2FunctionCLDVersionHands0,70x1,30Stem7308Stem (subs.)Stem (2 pce)Balance staff28704Balance staff (subs.)29108Mainspring (subs.)1,6x9,0x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027308723Balance staff, pivoted80229108723Balance staff ST -shock-absorber80228704