Asus launched the VivoWatch, which the company claimed has a 10-day battery life span.
The hardware and electronics company confirmed the wearable will be on sale in May for £120 and will be compatible with Android and iOS systems pairing via Bluetooth.
The VivoWatch will feature VivoPulse an optical sensor for heart rate monitoring, and sleep tracking tech.
A Happiness Index will provide users with a summary overall health and wellbeing based on sleep and activity levels, the company said.
The smartwatch will be IP67 rated, allowing users to dive up to 1m of water for 30m.
Asus also revealed the screen will be made from Corning Gorilla Glass 3 and will have a resolution of 128×128.
No details on the OS of the watch itself have been disclosed by Asus.