Hey Mitchell, I have not actively been doing anymore development with the android wear app as there has not been a lot of interest and I found the wear watches battery life to be generally quite poor. But happy to sort out any bugs you have been experiencing just drop me a message with the problems or updates required.

Yip, Ticwatch only has IP67 but thats good enough for me as well as its the cheapest option I think.
The Casio Pro Trek WSD-F20  and the Nixon Mission  both have wifi and are running android wear 2.0 so will be compatible. The new balance runIQ (http://www.newbalance.com/runiq/) might be a good option as well. Not too expensive and has a higher water proofing.
Here is a list of compatible devices.
https://drive.google.com/open?id=1BkI0TIJtl8dtmHxM6hjytlbF0ONpJpC_

Thanks!
This is the watch I am using which works great.
​https://www.amazon.com/Ticwatch-Smartwatch-Aurora-Display-Compatible-Assistant/dp/B076QDJM2M