Garmin
Forerunner 255 Series
Long battery; but wrist HR tracking is inconsistent.
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Are you active duty? Check with management first if you will be allowed to wear a smartwatch. Pricey but the Tactix 8 Solar/MIPS version has everything that you need in your list. Personally, I would lose the smart notifications and music requirement, and get the Instinct 3 tactical version. While it doesn't have topo maps, it does have a style of navigation similar to what you see in the Foretrex series where you can see waypoints and have a breadcrumb style line showing where you went.
The display aside, both watches are practically the same for me. Same HR sensor, same GPS capability. Both have a flashlight. Both have a killswitch. Both nightvision mode. If you want the best of the best, Tactix 8 has the advantage of: Scuba Diving capabilities (it has a dive computer), a colored screen that you can view Topo maps on and it has Sapphire glass. Personally, I would go Instinct 3 tactical since its way cheaper and I can easily buy another if I break it doing cool guy shit. If battery life is important to you, make sure you get the MIP version instead of OLED. [https://www.garmin.com/en-US/p/1705221/pn/010-02934-50/#specs](https://www.garmin.com/en-US/p/1705221/pn/010-02934-50/#specs)
Instinct 3 tactical or Tactix 8 solar. Tactix will hit all of your list, but the instinct 3 tactical will do most of it.
Nothing really changes you get 2 extra days with tactix 8 solar and new heart rate sensor and it’s dive proof and quicker response time with a mic and speaker
*cough cough* as I walk around proudly with my Tactix 8 51mm solar! Lol. Rock it proudly maam. 😎
I just move from Tactix 8 solar to Ultra 3 !!! Love tactical stuff and I’m military freak but AW is amazing watch !
I was changing couple times between Tactix 7 and AW ultra 2 and finally I stop with T8 solar… tbh my Garmin looks like watch and its not bright like a smartwatch. Battery over 2 weeks :) I’m soo happy and won’t back to AW unless they do around 1week battery and change this screen from childish colourful to more adult one 🫢🤷♂️
No Applied Ballistics. Tactix 8 Solar Elite wins.
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