ETA 556.031 Brand ETA Caliber 556.031 Size 7 3/4 Function o. SC Version Hands 0.70x1.20 Stem = 956.101 (5070) Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 377 Movements Artno.brandcaliberSizehandsfunctionspecialETA556.0317 3/40.70x1.20o. SC163220ETA956.0327 3/40.70x1.20o. SCH1= 1.06 WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled920001005560110556.111Barrel and train wheel bridge920001105561144255.111Dial fastener920001442551147950.001Mark support920001479500161956.101Center pipe920001619561203556.111third wheel920002035561210956.031Third wheel920002109560227BSweep second wheel920002275560242956.031Cannon pinion with driver920002429560250956.101Hour wheel920002509561260956.101Minute wheel920002609561401Winding stem8025070405956.101Winding stem -mouv.part920004059561407956.101Clutch wheel920004079561435956.101Yoke spring920004359561443956.101Setting lever assembled920004439561445956.111Setting lever spring920004459561445= 956.101Setting lever jumper combinded920004459560450956.101Setting wheel920004509561462956.101Minute train bridge920004629561462= 956.101Minute train bridge920004629560549956.101920005499561560956.1019200056095612539956.101Date corrector operating lever9200253995612595556.111Date jumber maintaining plate9200259555614000BElectronic module9200400055604021956.101STATOR9200402195614022556.1119200402255614038555.1119200403855514039956.1019200403995614046956.101Battery insulator, bottom9200404695614211956.101ROTOR9200421195614402556.111Battery connection (-)9200440255614412956.1019200441295614929256.241Battery920049292562