Brand MIDO Caliber 0917P Size 9 3/4x11 Function SC-AUT Version Hands 0,85x1,30 Stem 7242 Stem (subs.) Stem (2 pce) Balance staff 27804 INCA Balance staff (subs.) Mainspring (subs.) 1,35x8,5x0,09 AUT Mainspring (subs.) 3498 X Battery