Testing Executed by Apple in August 2024 employing preproduction Apple Watch Ultra 2 (GPS + Cellular) paired by having an iPhone; all units analyzed with prerelease application. Battery life varies by use, configuration, cellular network, signal energy, and all kinds of other factors; real effects will vary. n (= individual, https://www.jowissa.com/de-na/products/roma-swiss-ladies-watch-j2-289-s