OMEGA 830 Exploded diagram BrandOMEGACaliber830SizeFunctionVersionHandsStem9034Stem (subs.)Stem (2 pce)Balance staff36805Balance staff (subs.)Mainspring (subs.)1.50x14.50x0.18x460Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8029034723Balance staff ST -shock-absorber80236805771BMainspring AUT sliding attachemnet830-120896508301208