Apple watch 6 and 9 comparison July 8, 2019 16 32 64 128 Apple watch 6 vs 9 comparison Apple watch 6 7 8 9 comparison Apple watch series 6 and 9 comparison Comparison between apple watch 6 and 9 Apple watch 6 series vs 7 Apple watch 6 7 比较 Apple watch 6 vs 7 comparison Apple watch сравнение 6 и 7 Apple 6 vs 7