Brand RONDA Caliber 5011.36 Size 6 3/4x8 Function Version Hands 0,60x1,20 Stem 7708 Stem (subs.) Stem (2 pce) Balance staff 30220 Balance staff (subs.) 30016 Mainspring (subs.) 1,8x6,5x0,075 Mainspring (subs.) Battery