ISA 8161.206 Exploded diagram Brand ISA Caliber 8161.206 Size 11 1/2 Function SC-CLD-CHR Version Hands Stem = 815 eigen Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 395 MovementsArtno.brandcaliberSizehandsfunctionspecial167973ISA8161.20611 1/2SC-CLD-CHR WatchpartsPart NocaliberdescriptionoriginalArtno.401= 815Winding stem943004018154000= 8151Electronic module9430400081514401= 815.20Bridle (+)94304401815