AS 1660BrandASCaliber1660Size11 1/2FunctionVersionHands0,90x1,50Stem9022Stem (subs.)Stem (2 pce)Balance staff31106Balance staff (subs.)Mainspring (subs.)1,5x9,5x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8029022723Balance staff ST -shock-absorber80231106770BMainspring920007701660