Garmin
Forerunner 255 Series
Long battery; but wrist HR tracking is inconsistent.

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I've given up on the Strava Wear OS app as it constantly stops recording for me when running, cycling or on elliptical ... Have tried on Ticwatch 3 & 5 and now the OnePlus Watch 3. I now use the manufacturer health app on the watch (Ohealth for OnePlus) and have the sync to Strava on ... Works flawlessly. No maps though!
End of reviews
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

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Garmin - Forerunner 255 Series

Ranked #1
Oura - Oura Ring Series