Brand BUREN Caliber 1381 Size 11 1/2 Function SC Version Hands 0,90x1,50 Stem 7047 Stem (subs.) Stem (2 pce) Balance staff 27406 Balance staff (subs.) 28417 INCA Mainspring (subs.) 0,95x9,5x0,11 Mainspring (subs.) Battery