ETERNA 1031BrandETERNACaliber1031Size7 3/4FunctionVersionHands0,60x1,20Stem5001Stem (subs.)Stem (2 pce)Balance staff25707Balance staff (subs.)23203Mainspring (subs.)1,1x7,0x0,08Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025001723Balance staff, pivoted80223203723Balance staff ST -shock-absorber80225707