Ressence made a mechanical watch that pairs with your smartphone
 

Many hybrid watches only resemble classic timepieces on a superficial level. If you want a watch with a true mechanical movement, you have to forego modern conveniences. Ressence wants to fix that with its newly unveiled Type 2 e-Crown Concept. Th...

https://www.engadget.com/2018/01/13/...-type-2-watch/