Brand JNTEX Caliber 1057 (SC) Size 10 1/2 Function SC Version Hands 0,95x1,65 Stem 8021 Stem (subs.) Stem (2 pce) Balance staff 35506 (Schub 100) Balance staff (subs.) Mainspring (subs.) 1,25x9,0x0,11 Mainspring (subs.) Battery