AS 1540BrandASCaliber1540Size13FunctionVersionHands0,80x1,50Stem7431Stem (subs.)Stem (2 pce)Balance staff31204Balance staff (subs.)31502 INCAMainspring (subs.)1,7x11,5x0,13Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027431723Balance staff, pivoted80231502723Balance staff ST -shock-absorber80231204