try the garmin swim 2. I gave one to a coworker to try and he was really frustrated that he couldn't break it. it just kept on going, counting his strokes and a

try the garmin swim 2. I gave one to a coworker to try and he was really frustrated that he couldn't break it. it just kept on going, counting his strokes and all. He tried several different wearables (cheap to expensive) and he said, nothing could come close to the swim 2