Brand OSCO Caliber 400 Size 10 1/2 Function Version Hands 0,90x1,40 Stem 8809 (alt) Stem (subs.) 8813 (neu) S Stem (2 pce) Balance staff 29519 Balance staff (subs.) Mainspring (subs.) 1,55x9,0x0,09 Mainspring (subs.) Battery