ETA 900.231 Brand ETA Caliber 900.231 Size 11 1/2 Function ANA-DIG-CHR Version Hands 0.70x1.20 Stem = 900.231 (4511) Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 350 MovementsArtno.brandcaliberSizehandsfunctionspecialETA900.23111 1/20.70x1.20ANA-DIG-CHR WatchpartsPart NocaliberdescriptionoriginalArtno.102BUhrwerk-Gestell920001029002110BBarrel and train wheel bridge920001109002119BCombined bridge920001199002144BDial fastener920001449002163BCenter pipe920001639002176BWerkplatten-Richtkeil920001769002203Bthird wheel920002039002210BThird wheel920002109002228BTransmission wheel for center wheel920002289002240BCannon pinion920002409002250BHour wheel920002509002260BMinute wheel920002609002401Winding stem8024511405BWinding stem -mouv.part9200040590024079220Clutch wheel920004079220437BRocking bar920004379002443BSetting lever assembled9200044390024509220Setting wheel920004509220451BSetting wheel for minute wheel920004519002453BIntermediate setting wheel920004539002462BMinute train bridge920004629002930BLünettenring9200093090024000BElectronic module9200400090024038B9200403890024060BCoil9200406090024200BElectronic motor module9200420090024211BRotor9200421190024265BFrequency corrector9200426590024401BBridle (+)9200440190024402BBattery connection (-)9200440290024405BBattery connection9200440590024820B9200482090029447BDisplay module920094479002