I currently have a Charge 2, but was thinking about getting myself a Charge 3 soon but I was wondering if the upgrade is worth it? I am mostly tempted by the fact that it's swim proof so I won't have to add my swims manually. And I was hoping that it has an improved HR reading function and that it'll give more accurate HR readings during workouts.

Those of you who went from a Charge 2 to Charge 3, please share your impression of how the two compare.