The Samsung Gear S3 Frontier (SM-R760 & SM-R765) is a high-end smartwatch designed to reduce the need for your cellphone. Released in November 2016, the device has a 1.3" display, a dual core Exynos processor, and a custom Tizen operating system.
It sure can! There’s a guide on how to do it here. iFixit doesn’t actually sell any official parts for this particular model, but you could likely find some online. Good luck!