Testing executed by Apple in August 2024 making use of preproduction Apple Watch Ultra two (GPS + Cellular) paired using an iPhone; all devices analyzed with prerelease program. Battery existence may differ by use, configuration, cellular network, signal toughness, and all kinds of other things; real effects will change. comparative, https://www.jowissa.com/de-na/products/tiro-swiss-made-watch-j4-299-m