UDSSR-CHAIKA 1600BrandUDSSR-CHAIKACaliber1600Size7FunctionVersionHands0,45x1,00Stem6526Stem (subs.)Stem (2 pce)Balance staff28323Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026526723Balance staff ST -shock-absorber80228323