MSR X3BrandMSRCaliberX3Size13FunctionVersionHandsStemStem (subs.)DCN 2731Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.410BWinding pignon96200410X3443BWinkelhebel96200443X3445BSetting lever spring96200445X3