ETA 940.031BrandETACaliber940.031SizeFunctionSCVersionHands0,90x1,50x0,25Stem= 940.101 (5111)Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025111