Testing carried out by Apple in August 2024 applying preproduction Apple Watch Ultra 2 (GPS + Mobile) paired with an apple iphone; all products analyzed with prerelease computer software. Battery life may differ by use, configuration, mobile community, sign energy, and all kinds of other variables; real results will change. https://www.jowissa.com/de-na/products/facet-swiss-ladies-watch-j5-605-l