LONGINES 609 Exploded diagram BrandLONGINESCaliber609Size11 1/2FunctionKlS-AUTVersionHands0.90x1.50 KlS 0.20Stem5062Stem (subs.)5111Stem (2 pce)Balance staff25606Balance staff (subs.)Mainspring (subs.)1.05x10.5x0.115 AUT =2534XMainspring (subs.)Battery