Brand FHF Caliber 189-1 Size 8 3/4 Function SC Version Hands 0,70x1,20 Stem 5904 Stem (subs.) Stem (2 pce) Balance staff 26901 Balance staff (subs.) 27301 INCA Mainspring (subs.) 1,4x8,0x0,09 Mainspring (subs.) Battery