About year after the release of the first CASIO Smart Outdoor Watch, it was reborn as the PRO TREK Smart
WSD-F20. Low-power GPS and color maps that can be used off line further expanded to realm of on-wrist support
for outdoor activities.
Here we will talk with some of the persons who played roles in the development of these amazing watches to get some background information about their strengths and capabilities.
How were the GPS functions, which can be said to be main feature of the WSD-F20, created?
This must have been a major undertaking with plenty of behind-the-scenes stories to tell.