Samsung galaxy watch 6 classic 46mm July 8, 2019 16 32 64 128 Samsung galaxy watch 6 classic 46mm lte Samsung galaxy watch 4 classic 46mm vs watch 6 classic Samsung galaxy watch 6 classic 46mm zilver Samsung watch 4 46mm classic Samsung galaxy watch 4 classic r890 46mm black Samsung galaxy watch4 classic 46mm sm-r895 lte