A43RA Synchron clock motor
1RPM motor with 10 tooth pinion, 4 mounting lugs. If your original motor has the markings or A43RA or I43RA this motor is a direct replacement. The motor model number is usually stamped on the side band of the motor after the voltage, wattage, RPM and so on.
This motor Torque is 8 in-oz (rated at 1 rpm).
IMPORTANT: IF your motor is an I129RB, this is NOT your replacement and it will not work in your clock.