ISA 8171B Exploded diagram BrandISACaliber8171BSize11 1/2FunctionSC-D(6) BIGDATE-CHR 1/5SVersion2 EYES ( 2-10 )Hands0.90x1.50x0.20/0.16Stem= 815 eigenStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery395MovementsArtno.brandcaliberSizehandsfunctionspecial167975ISA8171/20111 1/20.90x1.50x0.20/0.16SC-D(6) BIGDATE-CHR 1/5S2 EYES ( 2-10 ),60S@2, 30M@10