Brand BIFORA Calibre 103 (AUT) Size 13 Function AUT Version Hands 0,65x1,23 Stem 7024 Stem (subs.) Stem (2 pce) Balance staff 31501 Balance staff (subs.) 32501 Biforashock Mainspring (subs.) 1,5x9,5x0,105 Mainspring (subs.) Battery