Electric alarm clock
Electric alarm wristwatch including cylindrical sound tube for t
Electrical connection construction for electronic timepiece
Electricity supply structure for a piezoelectric vibrator
Electro-acoustic device for alarm watch
Electromagnetic acoustic transducer
Electronic alarm timepiece
Electronic alarm watch
Electronic clock striking mechanism
Electronic converter for converting an acoustic signal into...
Electronic instrument for scheduled data handling
Electronic sound generating circuit for generation bell toll
Electronic timepiece
Electronic timepiece
Electronic timepiece
Electronic timepiece equipped with alarm
Electronic timepiece including a piezoelectric alarm
Electronic timepiece with a sound generator
Electronic timepiece with variable melody alarm faculties
Electronic watch having a stepping motor equipped with an alarm