Theres a new software update available for Apple Watch Series 6 and later starting today. watchOS 11.3 is the latest version, bringing the new Unity Rhythm watch face to Apple Watch. Apple unveiled the new watch face alongside the 2025 Black Unity Sport Loop watch band this week.Heres how Apple describes the new watch face:The matching Unity Rhythm watch face features custom numerals formed by intertwined threads of red, green, and yellow. The watch face reacts to the gyroscope, so when a user raises their wrist to check the time, the strands coalesce from a series of abstract brush strokes into digits. When using the Unity Rhythm watch face, distinctive, rhythmic chimes mark every hour and half hour.Be sure to update your iPhone to the new iOS 18.3 release. This will include support for the new Apple Watch face. watchOS 11.3 is available on these models:Apple Watch SE (2nd generation)Apple Watch Series 6 and laterApple Watch Ultra and laterYou also need an iPhone XS or later to run the latest iOS 18 software update.After updating your Apple Watch, the new watch face will appear in the Unity face collection. This set of faces also includes Unity, Unity Bloom, Unity Lights, and Unity Mosaic. Best Apple Watch and accessoriesAdd 9to5Mac to your Google News feed. FTC: We use income earning auto affiliate links. More.Youre reading 9to5Mac experts who break news about Apple and its surrounding ecosystem, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Mac on Twitter, Facebook, and LinkedIn to stay in the loop. Dont know where to start? Check out our exclusive stories, reviews, how-tos, and subscribe to our YouTube channel