OMEGA 2500 Exploded diagram Brand OMEGA Caliber 2500 Size 11 1/2 Function SC-CLD-AUT Version Hands Stem 5062 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401BWinding stem80250624432892Setting lever assembled9200044328904452892Setting lever spring920004452892710BPallet fork -pinion 1 lower end-piec.2500-B40010965025001316710BPallet fork -pinion 1 lower end-piec.2500-C40010920025011316721BBalnace cplt. -for shock-absorber2500-40050219650250013271488BPawel winding wheel1120-32037965011201488