Brand ISA Caliber 8171E Size 11 1/2 Function SC-CHR Version 3 EYES (2 - 6 - 10) Hands 0.90x1.50x0.20/0.16 Stem = 815 eigen Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 395