TISSOT 2531BrandTISSOTCaliber2531Size11 1/2FunctionSC-CLD-AUTVersionHands0,90x1,50Stem5919Stem (subs.)Stem (2 pce)Balance staff28111Balance staff (subs.)Mainspring (subs.)1.20x 9.5x0.12Mainspring (subs.)2973XBatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025919445= 2461Setting lever spring988004452461721= 2451Balance cplt. -regulated988007212451723Balance staff ST -shock-absorber802281111428= 783Stop click AUT988014287831481= 783-1Reduction wheel AUT= OM 1480-14109880148178311482= 783Ratchet wheel driving wheel= OM 1480-1432988014827831496= 783Oscillating weight axle= OM 1480988014967832556/1= 2461Datumstern- / Datumanzeiger- Mitnehmerrad9880255624612575= 784-1Date jumper spring988025757841