losing 30% -40% battery overnight?

I was just wondering what is the normal battery drain amount, I can barely seem to get a day out of the battery... Last night I put it in airplane mode and theatre mode and it made no difference in battery, it went about 30% over 8 hours. During the day it's ever worse. I get anywhere from 7 to 15% battery drainage per hour. Somedays I can barely make it the entire day. Do I have a defective unit? what are you guys getting in terms of battery use in your watches. I have the latest android 6.0.1 and android wear 1.5.0.3044569 Build number M1D63G.

I purchased the watch about a week ago.

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