Brand BIFORA Caliber 120 (SC) Size 12 1/2 Function SC Version Hands 0,85x1,40 Stem 7442 TU Stem (subs.) Stem (2 pce) Balance staff 34302 INCA Balance staff (subs.) 7419 Mainspring (subs.) 1,7x11,5x0,13 Mainspring (subs.) Battery