Brand AROGNO Caliber 263 Size 10 1/2 Function Version Hands 0,70x1,30 Stem 7709 Stem (subs.) Stem (2 pce) Balance staff 30718 Balance staff (subs.) 31019 INCA Mainspring (subs.) 1,65x9,0x0,105 Mainspring (subs.) Battery