Brand BIFORA Calibre 81 Size 8 3/4 Function SC Version Hands 0,85x1,40 Stem 8502 Stem (subs.) Stem (2 pce) Balance staff 32903 alt Biforashock Balance staff (subs.) 29801 neu Biforashock Mainspring (subs.) 1,3x7,5x0,085 Mainspring (subs.) Battery