Brand ETA Caliber 734 Size 7 3/4x11 Function SC Version Hands 0,65x1,20 Stem 7203 Stem (subs.) 7204 wd Stem (2 pce) Balance staff 29301 Balance staff (subs.) Mainspring (subs.) 1,3x10,0x0,11 Mainspring (subs.) Battery