Pros below: Great watch. Bought to take into account intensive training in the triathlon in beginner mode. For a long time I chose between specialized sports watches and Apple Watch Ultra. As a result, I settled on these, because I wanted a gadget within the framework of the full Apple ecosystem. The battery covers the needs considering about 2-3 hours of training per day. It is quite possible to charge before every 2nd night. Got cons: There are inaccuracies in counting the number of swimming pools. Poorly recognizes various training swims (for example, on one side, without arm movement). It happened that because of this, up to 250 meters out of 1300-1500 meters were lost. I have not tested it on open water yet, I suspect that there will be no problems there, since there will be GPS.
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