Analog electronic timepiece with charging function

Battery life indication method for an electronic timepiece

Battery-driven clock with indicator of the end of life of the ba

Charging control circuit for electronic timepiece

Clock with a mainspring wound state indicator

Device indicating the state of batteries designed to equip a...

Drive control apparatus, electronic apparatus, method of...

Electric timepiece for displaying the operating condition thereo

Electro-mechanical watch

Electronic analog timepiece with voltage checking function

Electronic apparatus with ultrasonic motor as driving source

Electronic device

Electronic equipment and control method for electronic...

Electronic timepiece

Electronic timepiece

Electronic timepiece

Electronic timepiece

Electronic timepiece

Electronic timepiece battery monitoring circuit

Electronic timepiece driven by a plurality of stepping motors an