Brand BIFORA Calibre 2030 Size 8 3/4x12 Function Version Hands 0,65x1,23 Stem 8801 Kz Stem (subs.) 8802 Lg Stem (2 pce) Balance staff 38201 Balance staff (subs.) 38601 Biforashock Mainspring (subs.) 1,7x10,0x0,105 Mainspring (subs.) Battery