$399
Why people want it
Apple claims the most accurate heart rate sensing they have shipped. If you already train and already track, that is a real difference.
When it isn't worth it
You have never worn a watch. The question is not which watch — it is whether you will wear one at all.
You want it to make you exercise. It measures exercise; it does not supply the willingness.
Your Series 9 or 10 still works. A year of sensor improvement is not a year of your life.
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