Brand ETA Caliber 2426 Size 6 3/4 Function Version Hands 0,60x1,20 Stem =HAMILTON 63 Stem (subs.) Stem (2 pce) Balance staff 26004/ 26010 Balance staff (subs.) 27003/ 27011 Mainspring (subs.) 1,40x6,50x0,07 Mainspring (subs.) Battery