There are also some benefits to having a lower resolution display, particularly in terms of performance and battery life. (androidauthority.com)
However, this one adds a better display, much better performance and battery life as well as the ability to throw on whatever sort of strap you want. (androidheadlines.com)
The latter is aimed at improving performance and battery life of Wear OS smartwatches, so we're hoping we'll see the wearables consistently last longer than two days on a single charge. (techradar.com)