CYMA 131 BrandCYMACaliber131Size5 1/2 x 8Functiono. SCVersionHands0.55x1.00StemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery364MovementsArtno.brandcaliberSizehandsfunctionspecial160100ETA282.0015 1/2 x 80.55x1.00o. SC