Brand ZENITH Caliber 12-4-50-6 Size 12 Function SC Version Hands 0,95x1,30 Stem 8406 Stem (subs.) Stem (2 pce) Balance staff 36009 INCA Balance staff (subs.) Mainspring (subs.) 1,55x10,5x0,10Sp. Mainspring (subs.) Battery