JAEGER LE COULTRE 822BrandJAEGER LE COULTRECaliber822SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)0.90x8.20x0.102Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.770Mainspring94400770822