TISSOT 27B-1BrandTISSOTCaliber27B-1Size12FunctionVersionHands0,65x1,40Stem7922Stem (subs.)Stem (2 pce)Balance staff32705 (in Schub 212)Balance staff (subs.)Mainspring (subs.)1,7x10,0x0,12Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027922721Balnace cplt. -for shock-absorber9880072127B723Balance staff ST -shock-absorber80232705