TISSOT 27B-2BrandTISSOTCaliber27B-2SizeFunctionVersionHandsStem7922Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Handsetting stem8027922721Balnace cplt. -for shock-absorber9880072127B