Casio's solar-powered GPS watch is ideal for survivalists
 

Casio's beloved line of G-Shock timepieces is widening to include the new GPR B-1000, a GPS-equipped timepiece that could just save your life. The watch, which forms part of the Rangeman line, is capable of standalone GPS navigation for up to 33 hour...

https://www.engadget.com/2018/01/09/...-survivalists/