Help! Ambient mode seems to freeze watch.

Have had the Huawei Watch for a few days and it seems to have a deal-breaking bug. Frequently, after the watch has been in ambient mode for a while, it won't come out of it. If I touch the screen, the ambient display gets brighter, but that's all. No response from swiping or button presses. Sometimes, after a very long pause (a minute or so) it'll come back to life, but usually I have to hold the button until it restarts. Anyone run into this before? Ideas? Any help is greatly appreciated.

Using it with a Nexus 6. Android wear version 1.3.0.2176821.

Thanks!!!

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