Brand MAIRE O. Caliber 140 Size 8 3/4 Function Version Hands 0,60x1,20 Stem 6916 Stem (subs.) Stem (2 pce) Balance staff 30011 Balance staff (subs.) 29112 INCA Mainspring (subs.) 1,6x7,5x0,09 Mainspring (subs.) Battery