UDSSR-CHAIKA 1603BrandUDSSR-CHAIKACaliber1603SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.407BClutch wheel983004071603410BWinding pignon983004101603