How to setup and install WhatsApp on your WearOS smartwatch
While the stable version is expected to go official by the end of the year, the beta version of WhatsApp for Wear OS is already listed on the Google Play Store.
Wear OS buyer's guide: What you need to know - Android Authority
How to Use a Wear OS Smartwatch With an iPhone - Tech Advisor
WhatsApp beta is now available for Google Wear OS smartwatches - Neowin
How to setup an Android Wear watch with your phone
Preparing for Installation
10 fresh updates to try on your Wear OS watch - Wear OS by Google Community
How to Install APKs on Wear OS Smartwatch
How to set up WhatsApp on your Android smartwatch
How to Use Your Smartwatch to Find Your Phone
WhatsApp is finally coming to Wear OS - here's how to sign up for early access - Wareable