Brand FELSA Caliber 709-711 Size 10 1/2 Function SC-AUT Version Hands 0,80x1,30 Stem 5508 Stem (subs.) Stem (2 pce) Balance staff 26701 INCA Balance staff (subs.) Mainspring (subs.) 1,3x8,0x0,08 Mainspring (subs.) Battery