OTERO 40BrandOTEROCaliber40Size10 1/2FunctionSCVersionHands0,80x1,40Stem7303Stem (subs.)Stem (2 pce)Balance staff33101Balance staff (subs.)Mainspring (subs.)1,4x9,0x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.227= 40Sweep second wheel9680022740401Winding stem8027303407clutch wheel9680040740410Winding pignon9680041040723Balance staff ST -shock-absorber80233101