Looking for the best smartwatch? The Apple Watch Ultra 3 is truly the king of wearables, and I'd upgrade to it for…

We're almost half way through this year's Amazon Prime Day and we keep running into deals on the best smartwatches left, right, and center, and now it's the Apple Watch Ultra 3's time to shine.

• Browse the full Amazon Prime Day sale

I'm using an Apple Watch SE 2 (I'm satisfied with its basic offerings), but I've been admiring the new Ultra model from afar, purely because of how much of a beast it is in the world of wearables. It's very much an investment piece, but it's now down to $649 (was $799) in the US, and £649 (was £749) in the UK.

When it comes to Apple discounts, the tech giant doesn't like to be as generous as other brands, so this Apple Watch Ultra 3 deal is somewhat of a rare occurrence. Not only has a brand new Apple Watch model received a price drop, but it's the lowest price we've seen it hit ever. On top of that, it takes the top overall spot in our list of favorite smartwatches.

Today's best Apple Watch Ultra 3 deals

If you're tired of your standard Apple Watch series and are ready to take things to the next level with your wearables, the Apple Watch Ultra 3 could be the model for you. Or, if you're a Garmin owner who's looking to make the switch, the Ultra 3 is a solid rival.

As I've mentioned, my Apple Watch SE 2 is going strong, and I haven't felt the need to seek a proper upgrade just yet. But discount aside, the Ultra 3 has a handful of features I think are worth the investment.

For starters, the Ultra 3 is the first smartwatch in Apple's lineup to have flagship satellite connectivity, designed to enhance communication features in areas where you're limited for signal. Additionally, one of the watch's key functions is Emergency SOS via Satellite, which would come in handy if you're lost on an expedition.

Compared to its predecessor, and other Apple Watch models for that matter, the Ultra 3 has a much larger screen with wide-angle viewing, a handy addition that helps you view notifications even when you're not looking at the watch face-on. We found this to be very helpful for reading pop-ups in low-brightness environments.

But these aside, the Ultra 3's battery life truly puts other models in the ground. One of the biggest setbacks with the SE 2, for example, is that I find myself having to charge it constantly. When it comes to the Ultra 3, it can go for a good 42 hours on normal use before needing another round of juice.

More Prime Day deals in the US

Amazon Devices: Fire Sticks & Echo from $18

Amazon Haul: viral gadgets, tech & appliances from $1.99

Apple: MacBooks, AirPods & AirTags from $29

Beauty: 50% off toothbrushes & hair tools

Cheap TVs: smart TVs from $69.99

Garden: tools, mowers, planters from $24.99

Headphones: 50% off Beats, Bose & Samsung

Laptops: Apple, HP & Dell from $199

Mattresses: Sealy, Serta & more from $186

Patio: outdoor furniture, rugs & decor from $19.99

Sports: 50% off fitness gear, treadmills & clothing

Vacuums: Dyson, Shark & Bissell from $34

More Prime Day deals in the UK

Amazon Prime: get a 30-day free trial

Amazon Devices: Fire, Ring & Blink from £13.99

Amazon Haul: up to 30% off

Apple: up to 33% off AirPods & Apple Watch

Appliances: up to 45% off Ninja & Tefal

Beauty: up to 60% off Philips & Oral-B

Essentials: household goods from £5

Fans: from £20

Fashion: up to 50% off

Gaming: £90 off PlayStation 5

Headphones: up to 50% off Beats & Sony

Laptops: from £149

Tablets: Samsung & Lenovo from £79.99

Toys: up to 25% off Lego and Tonies

TVs: from £129.99

Vacuums: up to 40% off Shark & Roborock

Wearables: up to 30% off Garmin & Oura

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Rowan is an Editorial Associate and Apprentice Writer for TechRadar. A recent addition to the news team, he is involved in generating stories for topics that spread across TechRadar's categories. His interests in audio tech and knowledge in entertainment culture help bring the latest updates in tech news to our readers.