Brand ETA Caliber 1286 Size 11 1/2 Function SC-AUT Version Hands 0,90x1,50 Stem 7301 Stem (subs.) 7302 wd Stem (2 pce) Balance staff 31202 Balance staff (subs.) 31401 INCA Mainspring (subs.) 1,5x9,0x0,10 Mainspring (subs.) Battery