Garmin 305 Is legendary wrist gps, read at my site how it is different from newer version Garmin 310. You will find differences and info about both devices.<br />Here is link to comparison page:<br />http://garmin-305-review.com/garmin-305-vs-405/<br />and link to home page with Garmin 305 review:<br />http://garmin-305-review.com/garmin-305-vs-405/
