The biggest feature is the addition of cellular capability which makes it possible to use the Watch independently of paired iPhones.

Untethering the iPhone chain

Cellular connectivity is useful in specific situations; Watch is snappy and fast thanks to S3 processor; watchOS 4 adds great new features

Price is on the high-end of the smartwatch market; Cellular connectivity is only available with Bell; Cellular only does not get all-day battery life

The Apple Watch Series 3 is the best smartwatch you can buy -- and oh so close to replacing your phone.

Makes calls from your wrist; Voice control is excellent; A joy to use; Masses of personalization options; Superb fitness tracking ability

Third-party app support is lacking; Expensive; Speaker is quiet

It's not easy to thoughtfully integrate cellular and LTE service on a wearable. A number of Android Wear devices have tried in the past, and none of them hit home runs. In my short time with the Apple Watch Series 3 with LTE, it's clear that Apple has the software chops to make cellular and LTE a...

Battery life can stand up to some LTE use; Audible Siri responses make hands-free; eyes-free Watch interactions easy; Improved performance thanks to S3 dual-core processor

Why the red dot Why; LTE models require additional monthly charges by wireless service providers; Quite expensive even before extra monthly wireless charges; Standalone LTE can be unreliable; No on-Watch toggles to disconnect Wi-Fi and Bluetooth manually

The Apple Watch Series 3 is the closest attempt we've seen at a truly standalone smartwatch yet, and for that it deserves credit. But at the end of the day, it's still just a neat accessory for your iPhone.

Built-in cellular connectivity; Improved heart rate monitoring; Faster processor; Clear call quality; New band and case options

Expensive; LTE drains battery rapidly

The Apple Watch Series 3 is essentially a suped up Series 2 with improved battery life and performance. Apps load faster, Siri is smarter, and the sports/activity tracking features are better.

Improved battery life over Series 2; though still not that great; Large ecosystem of apps and accessories; Much faster than the Series 2; Water resistant with plenty of sport features; Very helpful smart features including notifications; music playback; and Siri

Still requires phone to be helpful (this is not the Cellular version; Expensive; Always looks like a smartwatch; Not terribly durable

How many worlds has Apple left to conquer It its lifetime it has triumphed with computer, phone, tablet and watch. So, in 2017, does the world need an Apple computer inside an Apple Watch, with an Apple phone attached It's got it with the Apple Watch Series 3.

Tech Guide has been using the new Apple Watch for a week and this new connectivity is a game changer. For the customers who are still on the fence about buying an Apple Watch, this feature alone will change all that.

The Apple Watch Series 3 is crazy expensive for a smartwatch-$100 more than its closest competitors. Many of the third party apps are still slow enough to drive sane people to the brink. It also only lasts a day on a charge.

Walking the dog and leaving the phone at home

Slow third party apps and only 24 hours battery life

While the iPhone X was clearly the big star of the show at Apple's September 12 event this year, the Apple Watch Series 3 was one of the devices that received lots of praises during the conference, especially because it comes with a feature that the parent company claims everybody has been waiting...