OMEGA 1538 Exploded diagram BrandOMEGACaliber1538Size10 1/2FunctionSC-CLDVersionHands0,70x1,20Stem2502 (=255.111)Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery373WatchpartsPart NocaliberdescriptionoriginalArtno.250= 255.461Hour wheel920002502553260Minute wheel401Winding stem8022502