I have it installed on my Apple Watch and I must say, it looks absolutely gorgeous. The Unity Lights watch face requires an Apple Watch Series 4 or later, watchOS 8.3, and iOS 15.2. It’s available today as an update to the Face Gallery in the Watch app.

Apple launches Unity Lights watch face with groundbreaking 2D ray tracing | Macworld:

In celebration of Black History Month, Apple is launching several initiatives designed to spotlight Black businesses and innovation, including a special edition Braided Solo Loop band a groundbreaking new watch face designed using 2D ray tracing.