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The Apple Watch is an incredible device — if you know how to use it.

I purchased an Apple Watch Series 4 about two months ago, and I haven’t looked back since. This is my first Apple Watch since the original, and while the first-generation model didn’t quite grab me, the latest version has made me into a believer.

The Apple Watch does typical smartwatch things, but it does them exceedingly well. Getting the time and date, checking the weather, seeing your notifications, and even controlling other Apple devices couldn’t feel more intuitive. Apple has perfected the Watch’s hardware and software over the last four years, so navigation and usage has become fast and effortless. Believe it or not, it does some things way better than other Apple devices.

The Apple Watch is also a powerful health-measurement tool. It gives you all sorts of feedback throughout the course of the day, and it’s always easy to see if you’re meeting your daily fitness goals. The Apple Watch is a great motivator that doesn’t feel heavy-handed in any way, by always giving you credit for the exercise you do.

I can’t recommend the Apple Watch enough. And if you haven’t invested in an one yet, now is the best time to buy it. Here’s why.

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Apple just redesigned the Watch, so it’s going to be a while until the next redesign.

Apple just redesigned the Watch, so it's going to be a while until the next redesign. Hollis Johnson/Business Insider

The latest Apple Watchthe Series 4, which debuted in September 2018 — is a complete redesign from the first three generations. That means you probably shouldn’t expect another redesign for at least another two years.

The new Apple Watches have bigger displays than before — 40 and 44 millimeters, compared to 38 and 42 millimeters from older models — and the watch case is slightly thinner. But it’s significantly faster than older models: The new S4 chip can achieve up to twice the performance of the previous S3 chip.

The latest Apple Watch features exclusive watch faces, including my personal favorite: the Infograph Modular face, which lets you see a lot of information at once. It also can perform electrocardiograms (ECGs) for the first time, thanks to a new heart sensor. The Apple Watch is the first consumer device with an ECG that’s been approved by the FDA and American Heart Association.

Given the many improvements in the Series 4, now is the time to buy one, if you’re thinking about it. Getting an Apple Watch now means you should be future-proof for a while.