Brand AROGNO Caliber 121 Size 10 1/2 Function Version Hands 0,70x1,30 Stem 7905 Stem (subs.) Stem (2 pce) Balance staff 30719 Balance staff (subs.) 30906 INCA Mainspring (subs.) 1,7x9,0x0,10 Mainspring (subs.) Battery