I’d say that it will first come out on the Fenix 8x and then be ported to the 7 series.
Garmin received the approval from FDA for its ElectroCardioGraph feature. This is a premium feature that is available on only a few smartwatches like Apple, Samsung, and Fitbit. Now the feature will be officially available for Garmin’s smartwatches. As it gets clearance from FDA, the company...
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F8 is still about year or more away. They may pull it off on some premium or Forerunner 9XX models first.
Considering low levels of integration in Garmin watches they can pull it off very easy.
By low integration i mean in most smartwatches most of functions integrated into single chip, while Garmin uses array of chips: CPU, GPS, BT etc.
I have ECG on my Samsung and it been around since 2019. By this time almost anyone has it: Apple, Samsung, Fitbit.
Missing out are WearOS (apart from Samsung) and smaller manufacturers.
It's not that useful, opposite to some other metrics: blood pressure, glucose or accurate body temperature.
On other hand this may be already integrated into F7 and such and it only matter of software update.
It kind of about time Garmin announces something. So may be it will be it.