Testing Executed by Apple in August 2024 using preproduction Apple Watch Ultra 2 (GPS + Cellular) paired having an apple iphone; all gadgets tested with prerelease computer software. Battery everyday living may differ by use, configuration, mobile network, sign strength, and all kinds of other components; real effects will change. https://www.jowissa.com/de-na/products/tiro-swiss-mens-watch-j4-246-l