After utilizing the 4th series for the previous 2 years, I decided to take it (I sold it a couple of weeks before the presentation of the 6th series). In general, this model is somewhat comparable to the 4-series. The primary distinction between the always-on display and the standard display is that the always-on display shines more light and constantly displays the current time. But, this is also a disadvantage, as it gives the impression that you need to charge the device more frequently than with the 4th generation. For the first several days, I used blood and an electrocardiogram multiple times; however, at this point, of course, I have already forgotten. More comparable to a toy. If cost is an issue, my general recommendation is that you should select either the 4th series (provided that you do not require always on display) or the 5th series. Both will serve your needs adequately.
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