OMEGA 1530 Exploded diagram BrandOMEGACaliber1530Size10 1/2FunctionVersionHandsStemStem (subs.)Stem (2 pce)2501WD = 80325010Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.404= 1430Winding stem -female -mouv.part80325010