Brand BIFORA Caliber 84 Size 8 3/4 Function Version Hands 0,65x1,20 Stem 6306 Stem (subs.) 6324 TU Stem (2 pce) Balance staff 28201 Balance staff (subs.) 28801 Biforashock Mainspring (subs.) 1,3x7,5x0,085 Mainspring (subs.) Battery