Brand FHF Caliber 621 Size 6 3/4x8 Function SC Version Hands 0,65x1,10 Stem 5008 Stem (subs.) Stem (2 pce) Balance staff 27203 Balance staff (subs.) 27601 INCA Mainspring (subs.) 1,35x7,5x0,08 Mainspring (subs.) Battery