Brand BIFORA Caliber 711 Size 7 3/4x11 Function Version Hands 0,65x1,23 Stem 6602 Stem (subs.) Stem (2 pce) Balance staff 29703 Balance staff (subs.) 29901 Biforashock Mainspring (subs.) 1,15x9,5x0,11 Mainspring (subs.) Battery