ETA 2770

BrandETACaliber2770Size11 1/2FunctionSC-AUTVersionHands0,90x1,50Stem7247Stem (subs.)Stem (2 pce)Balance staff30726Balance staff (subs.)Mainspring (subs.)1,45x11,00x0,12 AUTMainspring (subs.)= 4006 XBattery

Watchparts

Part NocaliberdescriptionoriginalArtno.
100BMain plate jewelled920001002770
105BBarrel bridge920001052770
110BBarrel and train wheel bridge920001102770
121BScrew for balance bridge920001212770
1252750Pallet bridge920001252750
1442600Dial fastener920001442600
1612750Center pipe920001612750
180BBarrel with drum + cover920001802770
182BBarrel with drum + cover920001822770
1952750Barell arbor920001952750
2032750third wheel920002032750
2102750Third wheel920002102750
2272750Sweep second wheel920002272750
2422500Cannon pinion with driver920002422500
2422758 / 2500Cannon pignon with driverH= 295920002422758
2502600Hour wheel920002502600
2602600Minute wheel920002602600
307BRücker mit bewgl. Spiralklötzchen-Träger920003072770
375BStud support ETACHRON920003752770
4012750Winding stem920004012750
401Winding stem8027247
4072750Clutch wheel920004072750
4102750Winding pignon920004102750
415BRatchet wheel920004152770
420BCrown wheel920004202770
4252520Clicking spring920004252520
4302520Click spring920004302520
4352600Yoke spring920004352600
4402600Yoke spring920004402600
4432750Setting lever assembled920004432750
4452600Setting lever spring920004452600
4502750Setting wheel920004502750
4622600Minute train bridge920004622600
7052750Escape wheel -pinion straigt piv.920007052750
7102600Pallet fork -pinion 1 lower end-piec.920007102600
7212750Balance cplt. -regulated920007212750
7232750Balance staff ST -shock-absorber920007232750
723Balance staff ST -shock-absorber80230726
7282750Balance staff ST -shock-absorber920007282750
771BMainspring AUT sliding attachemnet82040060
1134BAutomatic device framework920011342770
1141BLower bridge for automatic device920011412770
1143BOscillating weight920011432770
1481BReduction wheel AUT920014812770
1482BRatchet wheel driving wheel920014822770
1488BPawel winding wheel920014882770
14972620Ball bearing920014972620
1498BBearing wheel920014982770
1530BAuxilary reversing wheel920015302770
5101= 2800Case screw020080
5105= 2750Schrauben Federhausbr.920051052750
5110BScrew for train wheel bridge= 5121920051102770
51134BSchrauben - Automatkbrücke920511342770
5121= 2770Schrauben Unruhkloben920051212770
5121BSchrauben Unruhkloben= 5110920051212770
514982770Srew for bearing wheel920514982770
5415BScrew for crown wheel920054152770
5425BSrew for click920054252770
94332600Balance sto lever920094332600
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