Brand PRECIMAX Caliber 250 Size 10 1/2 Function Version Hands 0,80x1,40 Stem 7312 Stem (subs.) Stem (2 pce) Balance staff 31207 Balance staff (subs.) 31309 INCA Mainspring (subs.) 1,55x8,5x0,10 Mainspring (subs.) Battery