TISSOT 780BrandTISSOTCaliber780Size11 1/2FunctionVersionHands0,90x1,30Stem7238Stem (subs.)Stem (2 pce)Balance staff31007Balance staff (subs.)Mainspring (subs.)1,50x9,00x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027238723Balance staff ST -shock-absorber80231007