Brand JUNGHANS Caliber 51 Size 11 1/2 Function SC-AUT Version Hands 0,90x1,50 Stem 6310 Stem (subs.) Stem (2 pce) Balance staff 28008 INCA Balance staff (subs.) Mainspring (subs.) 1,3x10,0x0,105Sp. Mainspring (subs.) Battery