Brand ETERNA Caliber 834 Size 12 Function AUT Version Hands 0,90x1,30 Stem 7229 Stem (subs.) Stem (2 pce) Balance staff 30403 Balance staff (subs.) 28415 / 29232 Mainspring (subs.) 1,6x9,0x0,09Sp Mainspring (subs.) Battery