According to Apple’s official website, the high-end 49mm Apple Watch Ultra is compatible with most bands currently on the market. Specifically, the Apple Watch Ultra is compatible with bands designed for the 42mm, 44mm, and 45mm Apple Watch models (which includes the Series 8 and older models).
as McRumors Apple Watch Ultra will not be compatible with bands made for 38mm, 40mm and 41mm models. Apple says all woven bands and Solo Loop series bands are compatible with the Apple Watch Ultra.
On the other hand, clauses The Trail Loop, Alpine Loop, and Ocean Band developed for the Apple Watch Ultra will be compatible with the 44mm and 45mm Apple Watches.
Apple Watch Ultra, for the first time in the history of Apple watches, increases the battery life to 36 hours. This smart watch has a very resistant body and was produced with a focus on professional athletes. Apple Watch Ultra uses a 2,000 nits display, an additional button (digital crown extension) and dual-frequency positioning technology.
According to the official announcement, Apple Watch Ultra will be available on September 23, 2022 (October 1, 1401) at a price of $799.