1. If you already have SS7, it is not recommended to buy it. If you don't need the two new features of AppleWatchSeries8, you can also consider AppleWatchSeries7. If there is no demand for health and fitness functions and no pursuit of cost performance, AppleWatchSE2 is also a good choice.

2.Apple Watch s8 is worth starting with. On the screen, the Apple Watch s8 adopts a full-screen design, which increases the display area by about 20% compared with the Apple Watch se2. Se2 has a black border, and the display effect of s8 is much better than that of se2. In addition, the screen also supports the constant light function.

3. The difference between se and s8 of 3.Apple Watch is as follows: the size difference of watch case. AppleWatchS8 has a 45 mm or 4 1 mm case; AppleWatchSE has a 44 mm or 40 mm shell. The difference of dustproof ability. AppleWatchS8 dust-proof grade is IP6X；; AppleWatchSE does not support dustproof. Explain the difference.