Brand FELSA Caliber 321 Size 10 1/2 Function SC Version Hands 0,80x1,40 Stem 7906 Stem (subs.) Stem (2 pce) Balance staff 30704 Balance staff (subs.) 31009 INCA Mainspring (subs.) 1,65x9,0x0,10 Mainspring (subs.) Battery