Brand ETA Caliber 1304 Size 8 3/4 Function SC Version Hands 0,80x1,30 Stem 5602 Stem (subs.) Stem (2 pce) Balance staff 28011 Balance staff (subs.) 27510 INCA Mainspring (subs.) 1,35x8,0x0,09 Mainspring (subs.) Battery