Wear Gesture Launcher - Wear Gesture Launcher – Wear OS – Wear Launcher that lets you forget about swiping that long of small icons, just tap, draw, and do.
Apple Watch Series 3 - Apple's newest internet-connected smartwatch
wasp-os - Firmware for smart watches based on the nRF52 family of microcontrollers (including Pine64 PineTime)
Android Wear - Make the most of every minute
Wear OS by Google Smartwatch - Wear OS by Google Smartwatch (was Android Wear) is a powerful app that syncs your smartwatch and phone so you can get more 0ut of your watch.
Fitbit Charge - Activity and sleep tracking wristband