Apple's subtly improved watch adds a key overdue feature and improved software with this update, but it remains largely the same great smartwatch as last year.
The Apple Watch Series 4 is the fastest, most connected and best overall smartwatch around, but its battery life and watch face options often fall short of the competition.
The Apple Watch Series 3 is the best overall smartwatch you can buy, but battery limitations and add-on fees keep it from being a must-have upgrade. Apple with likely release an upgrade later this year.
If you're not a runner or a swimmer, the entry-level Apple Watch has most of what you'll need at a more affordable price.
A year old and even more affordable, the Apple Watch remains the best designed and most capable smartwatch you can buy -- but we're hoping that the inevitable sequel makes it more of a must-have product.
Apple's come up with an alternative solution to the charge cable that comes with the Apple Watch.
The Apple Watch returns in a made-for-sports upgrade that adds swim functions and GPS, but anyone who's not a runner or swimmer should consider the Apple Watch Series 1 instead.