Can you not have facebook on your iwatch

Hi

Facebook's iPhone app does not include an app for Apple Watch, so Facebook cannot be installed on your watch.

If you use Messenger (by Facebook) on your iPhone, it is possible to install the included app for Apple Watch to your watch:

On your iPhone, in the Watch app, go to: My Watch (tab) > scroll down and tap on Messenger > turn on Show App on Apple Watch.

More information:

https://itunes.apple.com/us/app/messenger/id454638411?mt=8