お使いのウォッチからコードを入力してください
Go to the Garmin Connect IQ app on your phone.
Select: My Device - My Watch Faces - Watch Face - Settings.
Enter the serial number into this field.
Enter the code from your watch screen into this field.
Scan the QR code from your watch screen and follow the link to pay for the app.
Go to the app settings on your watch and enter the app serial number in this field.