Brand OTERO Caliber 48 Size 11 1/2 Function SC-AUT Version Hands 0,80x1,40 Stem 7303 Stem (subs.) Stem (2 pce) Balance staff 33101 Balance staff (subs.) Mainspring (subs.) 1,4x9,5x0,095 AUT Mainspring (subs.) 3629x (bestpassend) Battery