Garmin
Forerunner 255 Series
Long battery; but wrist HR tracking is inconsistent.
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Vivoactive three for just in case my other watches die. They are a venu 2sq and a venu 3. Some days I like having the smaller venu 2sq.
My second Garmin, a used Tactix Delta, is hyuge, and a tank. I'm hard on watches and the bezel has NO scratches. The rim around the bezel is scratched to hell, and I'm ok with that. The 22 day battery life kicks ass. My last Garmin, a Vivoactive 3, was lasting barely a week per charge. It works great for tracking workouts, weather, temperature, controlling music, sleep and more. I could get messages when going to school when the profs didn't want you screwing with your phone in class. What's not to love?
I have had my GarminVivoactive 3 for 6 years while my wife has been through two fitbits and an apple watch. I wear it everyday and no scratches on the glass. The only thing I changed was the band because I didn't like the rubber feel when I got sweaty.
A few years ago I bought my parents (then in their late 60s) each the Garmin Vivoactive 3. My dad is largely sedentary, but my mom golfs twice/week and goes for walks. They were both fitbit users but seemed to have to replace them pretty regularly... As a regular cyclist and runner I thought a Garmin would be perfect. They both wear their watches all the time - my dad likes the move alert. He probably wouldn't get up and walk around if not for it. My mom tried the Golf activity feature but said it was too time consuming. She enjoys getting steps and doing those challenges. Their battery life seems short to me, but I've always worn a Fenix (5, 6, and now 8). They don't complain. What surprised me most was both of them have become data fiends, regularly tracking their sleep, stress, etc. I was going to try and upgrade them this year but it didn't seem worth it. The only things I was considering were large #s for the time and a bright touch screen. I was looking mostly at the Forerunner 165 despite neither of them running... with I think the Venu 3 as a close backup.
The 170 sounds absolutely killer. I upgraded from a va3 to the 265 on sale on November. Training status / readiness were what sold me over the 165 which otherwise seemed perfect. I'm mostly a cyclist but am running a bit more lately, so having those metrics match up with what the bike computer was giving is really nice. This is basically a 265 plus a few quality-of-life features which I'd find useful and really only lacking multi-sport modes. No biggie to me. All of that for the sale price I paid for the 265 sounds like a no brainer. Garmin nailed it with the 170. If that had been on the market I'd have absolutely bought it. In a few months when it goes on sale for $50 less or whatever it'll be a killer deal.
I’m glad to hear this! I had a 3 I loved and a 4s I still adore but had just seen many comments on how the newest ones were disappointing Back to trying to pick one up on the used market!
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