Brand CUPILLARD Caliber 233-67A Size 11 1/2 Function Version Hands 0,70x1,40 Stem 7027 Stem (subs.) Stem (2 pce) Balance staff 34004 Balance staff (subs.) 35601 / 36403 Mainspring (subs.) 1,90x9,00x0,09 Mainspring (subs.) Battery