LONGINES 501BrandLONGINESCaliber501Size11 1/2FunctionSC-CLD-AUTVersionHandsStem7559Stem (subs.)Stem (2 pce)Balance staff27519Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180Barrel with drum + cover95400180501206Center wheel drilled without cannon210Third wheel245Cannon pignon sweep sec. H = 270401Winding stem8027559407Bclutch wheel95400407501410Winding pignon95400410501420Crown wheel445BSetting lever jumper combinded95400445501705Escape wheel -pinion straigt piv.710Pallet fork -pinion 1 lower end-piec.95400710501721Balance cplt. -regulated723Balance staff ST -shock-absorber80227519771Mainspring AUT sliding attachemnet954007705011482Ratchet wheel driving wheel1535/1Reversing wheel954015355011545/1AUT Klinkenrad Zusatz954015455012575Date jumper spring2632Date unlocking yoke2633Date unlocking yoke spring95402633501.Futter