Respiratory tracking was just added to the FR245. Here's some proof. Mine updated to 3.90 last night and I noticed the Health Stats page had a new empty slot at the bottom. :
Garmin Forerunner 245 Music GPS Watch In-Depth Review | DC Rainmaker
Garmin Starts Roll-out of PacePro to FR945 and FR245, Also Adds More Data Fields Per Page | DC Rainmaker
Garmin Forerunner® 245 | Running Watch
Garmin® introduces the stylish Forerunner® 245/245 Music GPS smartwatch for the serious runner | JustRunLah!
Anyone who went from FR245 to Fenix 7s? Impressions / Battery Life / Pros & Cons ? : r/GarminFenix
Garmin Forerunner® 245 | Laufuhren
Garmin Forerunner 245 Music GPS Watch In-Depth Review | DC Rainmaker
GARMIN FR245 MUSIC JAPAN EDITION, Mobile Phones & Gadgets, Wearables & Smart Watches on Carousell
Garmin Forerunner 245 Music review: a runner's best friend | Wearable technology | The Guardian
Garmin FR245 Music is stock now in 3... - Garmin Mauritius | Facebook
Garmin Fr 245 Top Sellers - herefordshireurology.co.uk 1692641703
Garmin Forerunner 55 vs. 245: Which Should You Pick?
My first week with the FR 245, absolutely love the amount of data it can capture. Having used fibit and Apple watch for many years, I can confirm Garmin is the best
Garmin FR245 + Apple Nylon band + APL 001 watch face + good boy : r/Garmin