Brand JEAMBRUN Caliber 23 (AUT) Size 10 1/2 Function SC-AUT Version Hands 0,90x1,40 Stem 7525 Stem (subs.) Stem (2 pce) Balance staff 33302 Balance staff (subs.) Mainspring (subs.) 1,45x9,0x0,10Sp. Mainspring (subs.) Battery