Brand CHEZARD Caliber 7400 Size 11 1/2 Function SC Version Hands 0,90x1,50 Stem 7037 Stem (subs.) Stem (2 pce) Balance staff 29512 Balance staff (subs.) 30713 INCA Mainspring (subs.) 1,5x10,5x0,12 Mainspring (subs.) Battery