The watch is water-resistant (IPX7) and it weighs 60 grams. 405CX can be used indoors or outdoors with an optional, streamlined foot pod or under certain shoes insoles.
The Garmin 310Xt is good multi-sport solution for active people. It does not have the sleek design of the Forerunner 405CX. But it boasts up to 20 hours and is slightly heavier (72g). The added battery life for GPS adds to the weight but also compromises to the styling.
The price for the Garmin310Xt is 350 USD and for Garmin 405CX is 370 USD.
















