ETA 255.487 Exploded diagram BrandETACaliber255.487Size10 1/2FunctionSC-D-D-MDVersionHands0.70x1.20x0.20Stem2502 (=255.111)Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial166011ETA255.48710 1/20.70x1.20x0.20SC-D-D-MD WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled920001002556110255.111Barrel and train wheel bridge920001102551144255.111Dial fastener920001442551145255.481Dial fastener920001452554147950.001Mark support920001479500161255.121Center pipe920001612551203255.111third wheel920002032551210255.111Third wheel920002102551227255.485Sweep second wheel920002272554242255.485Cannon pinion with driver920002422554250255.481Hour wheelH5= 2.04920002502554260255.111Minute wheel920002602551401Winding stem8022502405255.411Winding stem -mouv.part920004052554407255.111Clutch wheel920004072551435255.111Yoke spring920004352551443255.111Setting lever assembled920004432551445255.111Setting lever spring920004452551450255.111Setting wheel920004502551462255.111Minute train bridge920004622551466255.111Setting mechanism cover920004662551479255.111Pressure spring for setting lever920004792551560255.1119200056025512549255.481Month star driving wheel9200254925542555255.481Calender driving wheel9200255525542557255.481date indicator9200255725542561255.483Day indicator at 3 o´clock9200256125542562255.483Month indicator9200256225542569255.481Double corrector9200256925542576255.481Date jumper9200257625542577255.481Day jumper9200257725542578255.481Month jumper9200257825542587255.481Moon phase indicator9200258725542588255.481Moon phase jumper9200258825542589255.485Moon phase yoke9200258925542743255.111Date corrector setting wheel9200274325512773255.483friktionsfeder für Tagesanzeiger9200277325542782255.491Spring-clip f. calender driving wheel9200278225542808255.4839200280825544000255.111Electronic module9200400025514003B9200400325544021955.101Stator9200402195514038255.1119200403825514046255.111Battery insulator, bottom9200404625514160255.111Wire springs for alarm buzzer9200416025514211255.111Rotor9200421125514407955.101Earth connector (+)9200440795514412955.1019200441295514929255.111Battery9200492925519716255.111Corrector spring920097162551