Brand ETA Caliber G10.71A Size 13 1/4 Function SS-D(4) HORIZ-CHR Version 3 EYES ( 2-6-10 ) Hands 0.90x1.50x0.25/0.20 Stem G10.211 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery