Brand BIFORA Calibre 735 Size 7 3/4 Function SC Version Hands 0,65x1,20 Stem 5205 Stem (subs.) Stem (2 pce) Balance staff 27501 Balance staff (subs.) 29101 INCA Mainspring (subs.) 1,3x6,5x0,08 Mainspring (subs.) Battery