OTERO 64BrandOTEROCaliber64Size6 3/4FunctionVersionHands0,55x1,00Stem5013Stem (subs.)Stem (2 pce)Balance staff24501Balance staff (subs.)Mainspring (subs.)1,3x6,0x0,07Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025013410BWinding pignon9680041064425Clicking spring9680042564723Balance staff ST -shock-absorber80224501