ETA 277.001 Brand ETA Caliber 277.001 Size 5 1/2 Function Version Hands 0,55x1,00 Stem 5067 Stem (subs.) Stem (2 pce) Balance staff 29239 Balance staff (subs.) Mainspring (subs.) 1,60x6,50x0,07 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled920001002770105BBarrel bridge920001052770110BBarrel and train wheel bridge920001102771121BScrew for balance bridge920001212770125BPallet bridge920001252770144BDial fastener920001442770163BCenter pipe920001632770182BBarrel with drum + cover920001822771195BBarell arbor920001952771203Bthird wheel920002032770210BThird wheel920002102771220BSecond wheel -short pivot920002202771230BAnkerradtrieb920002302770242BCannon pinion with driver920002422771250BHour wheel920002502771260BMinute wheel920002602771307BRücker mit bewgl. Spiralklötzchen-Träger920003072770375BStud support ETACHRON920003752770401BWinding stem8025067404BAufzugwelle -negativ (Werkteil)8035067407BClutch wheel920004072770410BWinding pignon920004102770415BRatchet wheel920004152771420BCrown wheel920004202770422BCrown wheel ring920004222770434BClicking spring920004342770435BYoke spring920004352770440BYoke spring920004402770443BSetting lever assembled920004432770445BSetting lever spring920004452770450BSetting wheel920004502770705BEscape wheel -pinion straigt piv.920007052770710BPallet fork -pinion 1 lower end-piec.920007102771721BBalance cplt. -regulated920007212770723Balance staff ST -shock-absorber80229239728BBalance staff ST -shock-absorber920007282770730BRoller920007302770770BMainspring920007702770