Casio Pro Trek prw-3500. I climb and trim trees for a living, so I needed a tough, dependable solar watch that could tell me the temperature and altitude. Worth every penny, and
CASIO PRO TREK TRIPLE SENSOR SOLAR PRW3500-1 - Claudias Jewelry Inc
Casio Pro Trek PRW-3500 Triple Sensor Ver.3 Watch - YouTube
CASIO PRO TREK TRIPLE SENSOR SOLAR PRW3500-1 - Claudias Jewelry Inc
Casio Pro Trek PRW-3510Y-8CR | WatchUSeek Watch Forums
ProTrek PRW-3500 / 3414 / Smaller size with Direction Bezel