FEF 166BrandFEFCaliber166Size4FunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled92000100166106165Barrel and train wheel bridge92000106165110165Barrel and train wheel bridge92000110165121165Screw for balance bridge92000121165125165Pallet bridge92000125165133165Unruh-Schutzbrücke92000133165182165Barrel with drum + cover92000182165195165Barell arbor92000195165200165Center wheel + cannon pinion92000200165210165Third wheel92000210165220165Second wheel -short pivot92000220165240165Cannon pinion250165Hour wheel92000250165260165Minute wheel92000260165301165Regulator for flat hairspring92000301165330165Decksteinplättchen für Unruh92000330165401BWinding stem92000401166407270Clutch wheel92000407270410BWinding pignon92000410166415165Ratchet wheel92000415165420165Crown wheel92000420165423165Crown wheel core92000423165425165Clicking spring92000425165430270Click spring92000430270435BYoke spring92000435166440BYoke spring92000440166443BSetting lever assembled92000443166445BSetting lever spring92000445166450270Setting wheel92000450270705165Escape wheel -pinion straigt piv.92000705165710165Pallet fork -pinion 1 lower end-piec.92000710165721165Balance cplt. -regulated92000721165723165Balance staff ST -shock-absorber92000723165728BBalance staff ST -shock-absorber92000728166770BMainspring92000770166