The Notify app has been updated to support Google Clock app. It allows you to snooze and dismiss alarms using your smartwatch without bringing up your phone.
Setup you alarms using Clock app and you will get alarms automatically also on your smartwatch
Notify App is the first App that lets you snooze or dismiss an alarm with your watch. The app has a lot of features to make waking up easier. You can set the alarm to wake up at the time you need, or you can use it as a sleep timer and it will turn off after the time you set.