Tests done by Apple in August 2024 applying preproduction Apple Watch Extremely two (GPS + Mobile) paired using an apple iphone; all gadgets examined with prerelease software program. Battery daily life may differ by use, configuration, mobile network, signal strength, and all kinds of other elements; genuine outcomes will change. https://www.jowissa.com/de-na/products/tiro-swiss-made-watch-j4-404-m