Submitting my watchface to https://apps.garmin.com/ with forerunner 70 and 170 in the manifest fails.
The error is : There were no compatible devices found for the part numbers declared in the manifest file. {0}
The complete upload url was: https://apps.garmin.com/developer/f150f657-1118-4ca0-87dd-93d41166fb59/apps/d21b73a7-69fb-4199-b60a-347062509530/update
