Unlocking a door on your smart watch works exactly like unlocking from the Homebase app. From the list of doors, tap the door key to engage the lock, right from your wrist.
Install the Homebase app for Apple and Android
Apple Watch:
On your iPhone, open the Watch app.
Tap the My Watch tab.
Scroll to the app that you want to add. Apps that you can install appear in the Available Apps section.
To add an app to your watch, tap Install.
WearOS:
Tap the Play Store app in your list of apps.
Search for the Homebase - Smart Apartments app.
Tap Install to add to the watch.