Brand JUVENIA Caliber 10811 Size 11 1/2 Function SC-CLD-AUT Version Hands 0,90x1,50 Stem 5058 Stem (subs.) Stem (2 pce) Balance staff 27619 Balance staff (subs.) Mainspring (subs.) 1,20x11,00x0,10 AUT Mainspring (subs.) = 3120X Battery