Endless Paradigm

https://kairoswatches.com
That is my dream (smart) watch.  All the stylings of a classic mechanical watch with a transparent LCD that gets turned on when notifications are available.
Pushes boundaries on battery since the smart side does not have to drive the clock or display during inactive periods.

^ if that lives up to its claims, then it's probably mine as well.

dang. i like that one. (not the price though)