Brand BIFORA Calibre 91.1 Size 9 3/4 Function SC Version Hands 0,85x1,40 Stem 6209 Stem (subs.) 6210 TU Stem (2 pce) Balance staff 29615 Balance staff (subs.) Mainspring (subs.) 1,2x8,5x0,095 Mainspring (subs.) Battery