You can authenticate with PingID mobile app using your smart watch.
If you have a smart watch paired with your mobile device, with the PingID mobile app installed,you can receive authentication notifications to your smart watch, in parallel with your mobile device. You can then authenticate without taking your mobile device out of your pocket.
If you're using an Apple Watch, download the app to your smart watch so that you can access an OTP (one-time passcode) from your Apple Watch
The ability to authenticate using a smart watch varies according to your device model and configuration.
You'll see the green check mark, indicating authentication is successful and you're signed in to your account.