Brand ISA Caliber 8171.203 Size 11 1/2 Function SC-CLD(F6)-CHR Version 1 EYE (2) 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