Brand DUROWE Caliber 425.1 Size 10 1/2 Function SC Version Hands 0,80x1,30 Stem 6504 Stem (subs.) Stem (2 pce) Balance staff 28602 Duroswing Balance staff (subs.) Mainspring (subs.) 1,2x9,5x0,11 Mainspring (subs.) Battery