Suunto Ambit 2 Sapphire has been voted the most rugged GPS watch for outdoor sports enthusiasts by the testers at the Heart Rate Watch Company. Bozeman, MT (PRWEB) May 19, 2013. The Suunto Ambit 2 Sapphire is the most rugged GPS watch ever …See all stories on this topic » Google Alerts – intitle:gps -intext:Gap […]