ISA 8171A Exploded diagram BrandISACaliber8171ASize11 1/2FunctionSC-CLD(F6)-CHRVersion1 EYE (2)Hands0.90x1.50x0.20/0.16Stem= 815 eigenStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery395