I just upgraded from Series 0 to Series 5. Passed it down to another family member. Battery still lasts whole day, and in general it was doing same tasks as a n

I just upgraded from Series 0 to Series 5. Passed it down to another family member. Battery still lasts whole day, and in general it was doing same tasks as a new one. Biggest issue I had with the old one is that it wasn't waterproof.