Apple watch series 8 45mm 41mm July 8, 2019 16 32 64 128 Apple watch series 8 45mm vs 41mm Apple watch series 8 gps 45mm vs 41mm Apple watch series 8 41mm vs 45mm battery life Apple watch series 8 41mm vs 45mm price 41mm vs 45mm apple watch series 8 on female wrist Apple watch 8 series 45