S.E.F.E.A. 53 Brand S.E.F.E.A. Caliber 53 Size 8 3/4 Function Version Hands 0,80x1,40 Stem 7423 Stem (subs.) Stem (2 pce) Balance staff 29019 Balance staff (subs.) Mainspring (subs.) 1,45x7,50x0,085 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled10552Barrel bridge110BBarrel and train wheel bridge12152Screw for balance bridge12552Pallet bridge129BBridge for additional train wheels18241Barrel with drum + cover19541Barell arbor20646Center wheel drilled without cannon21046Third wheel2224622746Sweep second wheel24546Cannon pignon sweep sec. H = 27025546Hour wheel sweep second26041Minute wheel30141Regulator for flat hairspring30752Rücker mit bewgl. Spiralklötzchen-Träger31141Rückerplättchen mit Stein33052Decksteinplättchen für Unruh40141Winding stem401Winding stem802742340741Clutch wheel41041Winding pignon41541Ratchet wheel42041Crown wheel42241Crown wheel ring42552Clicking spring43055Click spring43552Yoke spring44041Yoke spring44341Setting lever assembled44552Setting lever spring45041Setting wheel70541Escape wheel -pinion straigt piv.71041Pallet fork -pinion 1 lower end-piec.72141Balance cplt. -regulated723Balance staff ST -shock-absorber8022901972841Balance staff ST -shock-absorber770BMainspring