TISSOT 27-B-21BrandTISSOTCaliber27-B-21Size12FunctionSCVersionHands0,80x1,40Stem7922Stem (subs.)Stem (2 pce)Balance staff32705 INCABalance staff (subs.)Mainspring (subs.)1,7x10,0x0,12Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027922443= 27BSetting lever assembled025998723Balance staff ST -shock-absorber80232705