The Oregon Scientific RA129 is much more than just a watch! The stylish and sporty RA129 watch has a built-in altimeter so you can track your progress as you scale peaks and summits. Its altitude graph even allows you to evaluate your performance as you go. The RA 129 also features alarm and stopwatch functions and is waterproof to 30 metres. The Oregon Scientific RA129 sports watch and altimeter is sure to become an indispensable companion in all of your outdoor adventures.