OMEGA 1532 Exploded diagram Brand OMEGA Caliber 1532 Size 11 1/2 Function SC-CLD Version Hands Stem 2502 (=ESA 255.111) Stem (subs.) Stem (2 pce) 2503 wd Lg. =747 Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8022502404Winding stem -mouv.part8032503435= 255.111Yoke spring920004352551443= 255.111Setting lever assembled9200044325514000Electronic module920040002551