ETA 551.121 Brand ETA Caliber 551.121 Size 7 3/4 Function SC-DD(3) Version Hands 0.70x1.20x0.20 Stem = 551.111 (5044) Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 329 MovementsArtno.brandcaliberSizehandsfunctionspecialETA551.1217 3/40.70x1.20x0.20SC-DD(3) WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled920001005511110951.101Barrel and train wheel bridge920001109511119951.101Combined bridge920001199511144255.111Dial fastener9200014425511452648Dial fastener920001452648161951.101Center pipe920001619511169551.111Gewindebuchse920001695511203951.101third wheel920002039511210951.101Third wheel920002109511227951.121Sweep second wheel920002279511228951.101Transmission wheel for center wheel9200022895112422640Cannon pinion with driver9200024226402502648Hour wheel9200025026484052641Winding stem -mouv.part920004052641407951.101Clutch wheel920004079511445951.111Setting lever spring920004459511450951.101Setting wheel920004509511560951.1019200056095112555951.121Calender driving wheel9200255595112557Bdate indicator92002557551125612648Day indicator at 3 o´clock9200256126482571951.121Day corrector spring9200257195112577951.121Day jumper9200257795114000551.111Electronic module9200400055114021551.111Stator9200402155114022551.1119200402255114068551.111Coil guard9200406855114211951.101Rotor9200421195114402551.111Battery connection (-)9200440255114929551.111Battery920049295511