Digital timepiece having means for selectively or...
Display device with sliding back plates having an array of...
Drive arrangement for timekeeping system
Drive circuit of light emitting means for liquid crystal...
Dual function pusher and rotate switch for solid state...
Electric alarm timepiece
Electric clock
Electric clock
Electric clock
Electric clock
Electric clock
Electric clock
Electric clock
Electric clock movement
Electric clock starting device
Electric motor
Electric seismograph device
Electric synchronous time-piece incorporating a provision of...
Electric timepiece
Electric timepiece