Testing executed by Apple in August 2024 utilizing preproduction Apple Watch Ultra two (GPS + Mobile) paired using an iPhone; all devices examined with prerelease software program. Battery everyday living varies by use, configuration, cellular network, sign toughness, and all kinds of other elements; true effects will change. b : https://www.jowissa.com/de-na/products/roma-swiss-ladies-watch-j2-271-m