S.E.F.E.A. 551BrandS.E.F.E.A.Caliber551Size10 1/2FunctionVersionHands0,80x1,40Stem5615Stem (subs.)Stem (2 pce)Balance staff26805Balance staff (subs.)Mainspring (subs.)1,25x9,00x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled10550Barrel bridge11050Barrel and train wheel bridge11150Centre wheel bridge12150Screw for balance bridge12550Pallet bridge18255Barrel with drum + cover19555Barell arbor20155Centre wheel -without cannon21055Third wheel224BSecond wheel -long lower pivot240BCannon pinion26055Minute wheel30155Regulator for flat hairspring30755Rücker mit bewgl. Spiralklötzchen-Träger33652Decksteinplättchen oben für Ankerrad/Hemmungsrad40155Winding stem401Winding stem802561540755Clutch wheel41055Winding pignon41555Ratchet wheel42055Crown wheel42255Crown wheel ring42555Clicking spring43055Click spring435BYoke spring44055Yoke spring44355Setting lever assembled44555Setting lever spring45055Setting wheel70555Escape wheel -pinion straigt piv.71055Pallet fork -pinion 1 lower end-piec.72155Balance cplt. -regulated723Balance staff ST -shock-absorber8022680572855Balance staff ST -shock-absorber770BMainspring2535BDate indicator maintaining plate2556BDatumstern- / Datumanzeiger- Mitnehmerrad2557Bdate indicator2558BDoubel-toothed hour wheel2575BDate jumper spring2576BDate jumper
