179643 ⎘
Measuring, counting, calibrating, testing or regulating apparatus Purely mechanical measuring and testing apparatus
METHOD FOR OPTIMISING AN OPERATION OF SETTING AND WINDING A WATCH, AND DEVICE FOR IMPLEMENTATION OF SAME
#2Device and method for testing a mechanical property of a timepiece shaft
#3Method and system for authenticating a device
#4Method for checking the identity of a mechanical watch movement
#5Method and system for authenticating a timepiece
#6Method and system for authenticating using external excitation