Brand BIFORA Calibre 59 Size 6 3/4x8 Function Version Hands 0,60x1,00 Stem 5104 Stem (subs.) 5107 (TU) Stem (2 pce) Balance staff 28318 Balance staff (subs.) Mainspring (subs.) 1,60x7,00x0,08 Mainspring (subs.) Battery