Brand BRAC Calibre 903 Size 10 1/2 Function SC Version Hands 0,80x1,30 Stem 7603 Stem (subs.) Stem (2 pce) Balance staff 33803 Balance staff (subs.) 33305 INCA Mainspring (subs.) 1,4x9,5x0,12 Mainspring (subs.) Battery