Brand FHF Caliber 554 Size 10 1/2 Function SC Version Hands 0,70x1,30 Stem 6011 Stem (subs.) Stem (2 pce) Balance staff 29523 Balance staff (subs.) 30307 INCA Mainspring (subs.) 1,2x9,5x0,11 Mainspring (subs.) Battery