OMEGA 501BrandOMEGACaliber501SizeFunctionSC-AUTVersionHands0,80x1,50Stem5810Stem (subs.)Stem (2 pce)Balance staff28406 INCABalance staff (subs.)Mainspring (subs.)470-1208Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.206= 470Center wheel drilled without cannon470-122496504701224211= 470Double third wheel and pinion470-124096504701240242= 470Minutenrohr für Mitnehmerrad470-121896504701218250= 470hour wheel H=161470-123196504701231260= 470Minute wheel470-124696504701246275= 470Sweep second pinion470-125096504701250401Winding stem8025810410= 470Winding pignon470-110896504701108420= 550Crown wheel470-110196505501101443= 500Setting lever assembled500-110996505001109445= 330Setting lever spring330-111096503301110471= 470Friction spring f. sweep sec.-pinion470-1255710= 470Pallet fork -pinion 1 lower end-piec.470-131696504701316721= 490Balnace cplt. -for shock-absorber490-132796504901327723Balance staff ST -shock-absorber80228406771= 470Mainspring AUT sliding attachemnet470-1208965047012081143BOscillating weight assembled501-1026965050110261481= 470Reduction wheel AUT470-1432965047014321482= 470Ratchet wheel driving wheel470-1437965047014371496= 470Oscillating weight axle470-140096504701400