Accuracy correction in an electronic timepiece
Advanced clock measurement system
Analog electric timepiece
Analog electronic clock having reset current conductive...
Analog electronic timepiece
Apparatus for correcting a timepiece display
Apparatus for manual adjustment of a clock
Apparatus for the selection or correction of data in an electron
Arrangement for adjusting the hand position of a watch
Automatic circuit and method for temperature compensation of...
Automatic circuit and method for temperature compensation of...
Automatic setting device
Auxiliary timing source for ac-powered electronic clocks