179674 ⎘
Measuring, counting, calibrating, testing or regulating apparatus; Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork) whereby the adjustment device works on the compass
DEVICE AND METHOD FOR ADJUSTING THE RATE AND CORRECTING THE STATE OF DISPLAY OF A WATCH
#2Device and method for adjusting the rate of a watch
#3Device and method for adjusting the rate and correcting the state of display of a watch