PURPOSE:To make it possible to check the inside of the manufacturing steps of an automatic integrated production system, only by connecting the output of a checking device to the motor of a time piece without attaching anything to the time piece with movement exposed, and by automatically checking the trouble in the wheel train of the time piece. CONSTITUTION:When a start signal input 10 is inputted, an applied-pulse counter 5 outputs a starting signal 11 to a pulse generator 4. The pulse generator receives the signal 11 and outputs a current waveform signal 13 of a driving pulse to a rotation detector 6. When the output of one-step driving pulse is finished, a count clock 14 is outputted to the counter 5. The counter 5 receives the clock 14 and counts pulses. The arbitrary number of times is preset. When the number of counted pulses becomes equal to the preset value after the input of the signal input 10, a stop signal 12 is outputted to the generator 4. The generator 4 receives the stop signal 12 and stops the output of the driving pulse. When the rotation detector 6 receives the signal 13, the detector 13 judges whether the rotation is performed or not and outputs a detected non-rotation signal 15.
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