MSR X1BrandMSRCaliberX1Size13FunctionVersionHandsStem9701Stem (subs.)Stem (2 pce)Balance staff35006Balance staff (subs.)Mainspring (subs.)1,60x11,50x0,12Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.224BSecond wheel -long lower pivot96200224X1401Winding stem8029701710BPallet fork -pinion 1 lower end-piec.96200710X1723Balance staff ST -shock-absorber80235006