Brand ROSEBA Caliber 80 Size 6 3/4x8 Function Version Hands 0,60x1,20 Stem 6021 Stem (subs.) Stem (2 pce) Balance staff 33508 Balance staff (subs.) 33404 / 32813 Mainspring (subs.) 1,3x7,5x0,08 Mainspring (subs.) Battery