Garmin
Forerunner 255 Series
Long battery; but wrist HR tracking is inconsistent.
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Garmin Forerunner 25, because it's the best one.
i second that. wrist HR with F8 is also faulty for me like 30% of the times, could be because of a wrist or a strap. But i did not see any with F8 improvement compared to F6 or older forerunners
I gave in. Found a forerunner 2nd hand at a steal. Zero regrets, wouldn't go back to polar (after using them 7 years)
With gps actively going(most battery intense thing you can do), a forerunner with MIP will last you like 3 to 5 days straight. OLED probably a solid 2 to 3 days straight. If you just want to wear it when not using it for activities, you get like 2 weeks before charges.
I'm for MIP through and through. Don't see any need for anything else. AMOLED looks like a party trick watch to me.
Garmin Venu 1, 2, or even one of the newer Vivoactives would be great. You can get a Venu 2 for probably about $100-$130 on Facebook Marketplace right now. You can also get one of the older Garmin Forerunners for about the same price as well, if not a little cheaper
Garmin
Forerunner 255 Series
Long battery; but wrist HR tracking is inconsistent.

Garmin
Forerunner 955 Series
Best value, clear MIP screen; limited smartwatch features.

Garmin
Fenix 7 Series
Durable, multi-week battery, flashlight; high price, buggy software.
Garmin
Instinct 2 Series
Rugged, solar multi-week battery; bulky, small screen readability issues.

Garmin
Enduro 3
Multi-week solar battery, lightweight; but bulky form factor.

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Oura - Oura Ring Series

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Apple - Ultra Series

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Garmin - Enduro 3

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Garmin - Fenix 7 Series

Ranked #1
Garmin - Forerunner 255 Series

Ranked #1
Oura - Oura Ring Series