Brand A.V. Caliber 410 Size 5 1/4 Function Version Hands 1,55x1,00 Stem 5905 Stem (subs.) Stem (2 pce) Balance staff 29706 Balance staff (subs.) 29306 INCA Mainspring (subs.) 1,5x7,5x0,08 Mainspring (subs.) Battery