CERTINA 203 Brand CERTINA Caliber 203 Size 5 1/2 Function o. SC Version Hands 0.70x1.20 Stem 4409 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 317 Movements Artno.brandcaliberSizehandsfunctionspecial161280ETA980.0055 1/20.70x1.20o. SC161276ETA901.0015 1/20.70x1.20o. SCH1= 1.00 WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled110BBarrel and train wheel bridge144210.001Dial fastener147980.001Mark support161980.003Center pipe172980.003Stud for minute wheel203980.001third wheel210980.001Third wheel227980.001Sweep second wheel242980.003Cannon pinion with driver260980.001Minute wheel405980.001Winding stem -mouv.part407980.001Clutch wheel435980.001Yoke spring443980.001Setting lever assembled450980.001Setting wheel560980.0014000BElectronic module4021980.001Stator4022980.0014060980.001Coil4068980.001Coil guard4211980.001Rotor4401980.004Bridle (+)4402980.004Battery connection (-)4412980.0014600BResonator4929801.004Battery