MSR Z4BrandMSRCaliberZ4Size19FunctionVersionHands1,00x1,70Stem8906Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)1,90x16,50x0,19Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8028906