OMEGA 1152 Exploded diagram BrandOMEGACaliber1152SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.705= 7750Escape wheel -pinion straigt piv.920007057750