FE 6820SP Brand FE Caliber 6820SP Size 5 1/2 Function o. SC Version Hands 0.55x1.00 Stem 5326 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 362 Movements Artno.brandcaliberSizehandsfunctionspecial161455FE6820SP5 1/20.55x1.00o. SC161442FE58205 1/20.55x1.00o. SCQuarzwerk WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025326