Brand H.P.P. Caliber 450 Size 11 1/2 Function SC-AUT Version Hands 0,80x1,40 Stem 6811 Stem (subs.) Stem (2 pce) Balance staff 33306 Balance staff (subs.) Mainspring (subs.) 1,3x10,5x0,115Sp. Mainspring (subs.) Battery