Brand KIENZLE Caliber 57.17a Size 12 1/2 Function SC-AUT Version Hands 0,95x1,30 Stem 9102 Stem (subs.) Stem (2 pce) Balance staff 32305 Balance staff (subs.) Mainspring (subs.) 1,6x9,5x0,095Sp. Mainspring (subs.) Battery