ETA 902.505 Exploded diagram Brand ETA Caliber 902.505 Size 6 3/4x8 Function SS Version Hands 0.70x1.20x0.20 Stem 4303 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 364 Movements Artno.brandcaliberSizehandsfunctionspecial162112ETA902.5016 3/4x80.70x1.20x0.20SSH1= 0.94,Swiss Made162114ETA902.5056 3/4x80.70x1.20x0.20SSH1= 0.94,Swiss Part WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled920001009025110BBarrel and train wheel bridge920001109025129BBridge for additional train wheels203902.001third wheel920002039020210902.001Third wheel920002109020215BAdditional second wheel222B920002229025227902.005Sweep second wheel920002279025242BCannon pinion with driver920002429025250BHour wheel920002509020259902.001Hour wheel spring - clip920002599020260BMinute wheel920002609025405902.002Winding stem -mouv.part920004059020407902.001Clutch wheel920004079020435902.001Yoke spring920004359020443902.001Setting lever assembled920004439020462902.001Minute train bridge9200046290204000902.001Electronic module9200400090204021902.001Stator9200402190204211BRotor9200421190254255B9200425590204401902.001Bridle (+)9200440190204929101.001Battery9200492910109511B