PRO TREK MODEL
For the outdoors type. Solar-powered PRO TREK model Casio PRG-340-1 Wristwatch “featuring eco-friendly materials”, like “biomass plastics made with castor oil and the band from biomass plastics made with corn.” The watch has a digital compass, barometer/altimeter, and thermometer functionality, Tough Solar charging system, duplex LCD display, and 48 city world time settings.
SOURCE/PHOTO: Casio