Brand FAVOR Caliber 250 (SC) Size 8 3/4x12 Function SC Version Hands 0,95x1,50 Stem 7520 Stem (subs.) Stem (2 pce) Balance staff 30802 Balance staff (subs.) 31302 SSR Mainspring (subs.) 1,35x10,0x0,11 Mainspring (subs.) Battery