Brand FEF Caliber 1273 Size 5 1/4 Function Version Hands 0,55x1,00 Stem 5513 Stem (subs.) Stem (2 pce) Balance staff 29302 Balance staff (subs.) 29510 INCA Mainspring (subs.) 1,5x7,5x0,08 Mainspring (subs.) Battery