UDSSR-CHAIKA 1601BrandUDSSR-CHAIKACaliber1601Size7FunctionVersionHands0.45x1.00Stem6526Stem (subs.)Stem (2 pce)Balance staff31024Balance staff (subs.)Mainspring (subs.)1,30x6,00x0,75Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial152031UDSSR-CHAIKA160170.45x1.00 WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026526723Balance staff ST -shock-absorber80231024770Mainspring03192