CERTINA 15-20BrandCERTINACaliber15-20Size6 3/4FunctionSC-AUT (19 800)VersionHands0,55x1,00Stem5105Stem (subs.)Stem (2 pce)Balance staff27617Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.200BLarge driving wheell + cannon pinion912002001520210BThird wheel and pinion912002101520260BMinute wheel912002601520407BClutch wheel912004071520445Setting lever spring912004451520721Balance cplt. -regulated912007211520723Balance staff ST -shock-absorber802276171143BOscillating weight assembled9120114315201520Reversing wheel9120152015201520/1Auxilary reversing wheel912015211520