ETA 901.005 Exploded diagram Brand ETA Caliber 901.005 Size 5 1/2 (Standard) Function o. SC Version Hands 0.70x1.20 Stem 4410 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 321 Movements Artno.brandcaliberSizehandsfunctionspecial161276ETA901.0055 1/20.70x1.20o. SCH1= 1.00161274ETA901.0015 1/20.70x1.20o. SCH1= 1.00161275ETA901.0015 1/20.70x1.20o. SCH0= 0.85161281ETA980.0055 1/20.70x1.20o. SCH3= 1.50 WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled920001009010250BHour wheel920002509010405= 901.001Winding stem -mouv.part8024410443= 901.001Setting lever assembled9200044390104211= 901.001ROTOR920042119010