I wish it had GPS. All of the Garmin devices have basically the same hardware, but the Forerunner 245, 745, 945, and Fenix have a price difference of a factor of 4 - not to mention the 35/25 on the used/refurbished market. Within the Fenix lineup, product segmentation is exactly the "printer with the speed inhibitor turned off" [1].

A jailbreak on the Garmin devices that enabled Fenix Pro features on the entry-level models would also eat the market.

I actually played with the TI 430-Chronos smartwatch development platform [2] a few years ago, but all the interesting features to me are tied to GPS.

Note: I currently am coveting the Fenix 6 Pro for my hobbies and covering it for hitting the right point in the Casio-F91 to smartphone-on-my-wrist continuum. I just wish some of its software features were available cheaper.

[1]: https://www.joelonsoftware.com/2004/12/15/camels-and-rubber-...

[2]: https://processors.wiki.ti.com/index.php/EZ430-Chronos