MAURICE LACROIX 27... Exploded diagram BrandMAURICE LACROIXCaliber27...Size11 1/2FunctionSC-DD(3)-AUTVersionHands0.90x1.50x0.25Stem7341Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)2821 ( X 3149 )Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial157020ETA2836-211 1/20.90x1.50x0.25SC-DD(3)-AUT WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027341