S.E.F.E.A. 552BrandS.E.F.E.A.Caliber552Size11 1/2FunctionVersionHands0,80x1,40Stem5615Stem (subs.)Stem (2 pce)Balance staff26805Balance staff (subs.)Mainspring (subs.)1,25x9,00x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled10555Barrel bridge11055Barrel and train wheel bridge12155Screw for balance bridge12555Pallet bridge18255Barrel with drum + cover19555Barell arbor20155Centre wheel -without cannon21055Third wheel22455Second wheel -long lower pivot24055Cannon pinion25055Hour wheel26055Minute wheel30155Regulator for flat hairspring30755Rücker mit bewgl. Spiralklötzchen-Träger31155Rückerplättchen mit Stein33055Decksteinplättchen für Unruh33652Decksteinplättchen oben für Ankerrad/Hemmungsrad40155Winding stem401Winding stem802561540755Clutch wheel41055Winding pignon41555Ratchet wheel42055Crown wheel42255Crown wheel ring42555Clicking spring43055Click spring435551Yoke 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-absorber770BMainspring