Brand ETA Caliber 1260-1277 Size 10 1/2 Function Version Hands 0,80x1,50 Stem 7305 Stem (subs.) Stem (2 pce) Balance staff 32703 Balance staff (subs.) 33007 INCA Mainspring (subs.) 1,8x9,5x0,11 Mainspring (subs.) Battery