D-C Voltage converter for a wristwatch
Detection circuit for an electronic timepiece
Device for limiting the acceleration of an oscillating weight dr
Dial formed of a solar cell in particular for a timepiece
Dial formed of a solar cell in particular for a timepiece
Display device and electronic watch using the device
Display plate for timepieces and method for fabricating the...
Display structure with solar cell, and electronic devices and ti
Display unit structure for electronic device
Disposable electronic watch