Brand MAIRE O. Caliber 150 Size 10 1/2 Function Version Hands 0,80x1,35 Stem 5804 Stem (subs.) Stem (2 pce) Balance staff 25405 Balance staff (subs.) 27207 INCA Mainspring (subs.) 1,25x9,0x0,10 Mainspring (subs.) Battery