Brand B.F.G. Caliber 1582 (AUT) Size 13 1/2 Function SC-AUT Version Hands 1,10x1,60 Stem 8303 Stem (subs.) Stem (2 pce) Balance staff 43501 Balance staff (subs.) 43801 Mainspring (subs.) 1,25x10,5x0,125 AUT Mainspring (subs.) Battery