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I currently have a Garmin 610 and considering upgrading to a 620. One of my min gripes about the 610 is its poor build quality. I have had problems with the heart monitor and for the last few months have had to attach a clothes peg to hold the charger in place. It seems that even this now longer works. So I am going to have to get a new watch. The watch is just under three years old. I got the Garmin after a bad experience with the Nike watch so I know that it is not just Garmin that have reliability issues.
Question is have Garmin improved their quality control with the 620 or is it going to give me loads of problems just like the 610? Has anyone been using a 620 for more than a year and if so is it issue free?