Brand EBOSA Caliber 69 (11 1.2) Size 11 1/2 Function SC Version Hands 0,90x1,30 Stem 9021 Stem (subs.) Stem (2 pce) Balance staff 39702 Balance staff (subs.) Mainspring (subs.) 1,6x9,0x0,12 Mainspring (subs.) Battery