Brand ORIS Caliber 490 Size 8 3/4 Function Version Hands 0,70x1,20 Stem 8501 Stem (subs.) Stem (2 pce) Balance staff 33602 Balance staff (subs.) 33504 / 34707 KIF Mainspring (subs.) 1,7x8,0x0,09 Mainspring (subs.) Battery