TISSOT 2140BrandTISSOTCaliber2140Size7 3/4FunctionVersionHands0,55x1,10Stem5020Stem (subs.)Stem (2 pce)Balance staff21801Balance staff (subs.)Mainspring (subs.)=OMEGA 620Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025020723Balance staff ST -shock-absorber80221801