OMEGA 491BrandOMEGACaliber491SizeFunctionAUTVersionHands0,80x1,50Stem5810Stem (subs.)Stem (2 pce)Balance staff28406 INCABalance staff (subs.)Mainspring (subs.)470-1208Mainspring (subs.)= 820 2922 0BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.200= 490Large driving wheell + cannon pinion490-122496504901224227= 490Sweep second wheel490-124396504901243260= 470Minute wheel470-124696504701246401= 500Winding stem500-11068025810415= 470Ratchet wheel470-110096504701100420= 550Crown wheel470-110196505501101721= 490Balnace cplt. -for shock-absorber490-132796504901327723Balance staff ST -shock-absorber802284061482Ratchet wheel driving wheel470-1437965047014371496= 470Oscillating weight axle470-140096504701400
