Brand FEMGA Caliber 67 Size 5 1/2 Function Version Hands 0,55x1,00 Stem 5539 Stem (subs.) 5546 Stem (2 pce) Balance staff 28424 / 28422 Balance staff (subs.) 28211 / 27807 Mainspring (subs.) 1,40x6,50x0,065 Mainspring (subs.) Battery