If you’re on iOS 8.2 or iOS 8.3 you’ll now be able to access the App Store for the Apple Watch. All you have to do is head over to the Apple Watch app on your iPhone and tap the App Store tab. If the App Store doesn’t load on your iPhone, kill the app and restart the Apple Watch app.
The Apple Watch App Store is essentially the iOS App Store with a small spin. Both Apple Watch and iPhone screenshots are available in the App Description.
Since there’s no native Apple Watch apps available yet, any Apple Watch app you download will download the iPhone version on your home screen.
The Apple Watch App Store is for customers to discover apps that are tailored towards the Apple Watch, nothing else. The Apple Watch App Store is available on iPhone 5 or higher running iOS 8.2 or later.