This leaked Apple Watch prototype has a health feature we’ve never seen before

Apple Watch Series 9 [GPS 41mm] Smartwatch with (Product) RED Aluminum Case with (Product) RED Sport Band M/L. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display

The recent online appearance of a leaked prototype of the Apple Watch Series 10 has sparked speculation regarding Apple’s upcoming wearable device. This early test model, which was shared by a dependable leaker, reveals some unused health sensors, including an odd new “light ring” feature that has never been seen on an Apple Watch before.

The sensor arrangement depicted in the leaked prototype is completely distinct from that of the final Apple Watch Series 10. The blood oxygen and heart rate sensors are significantly smaller, and a unique extra ring of light is hidden between the ECG sensor and the other health trackers. Apple may have been testing blood pressure or even glucose monitoring — two features they’ve hinted at for years — but no one knows what it does.

This prototype, which is running a secret internal build of watchOS 11.1, actually works, which is surprising. But here’s the problem: Apple didn’t include the usual health apps, so it’s hard to tell if that mysterious sensor was connected to new features. What exactly is intriguing? The software was released in October 2024, so Apple was still tinkering with new technology a lot later than most people thought.

Honestly? In the end, the Series 10 was more about looks than it was about groundbreaking health improvements. Although it had a sleeker design and a little bit more screen space, the inside was suspiciously similar to the Series 9 model. In the meantime, Samsung and Huawei have gone all-in on their watches’ advanced health features. This raises the question of why Apple chose to play it safe this time.

But this leak proves Apple’s still serious about health tech. And honestly, the timing couldn’t be better — just this weekend, we got wind that they’re doubling down on health features in their app, with some AI-powered upgrades in the works.

Imagine if they actually crack non-invasive blood pressure or glucose monitoring — that would be a total game-changer. Don’t get me wrong, the Series 9 and 10 are great watches, but let’s be real: they’ve played it safe. A next-gen health sensor suite could finally give us a reason to upgrade beyond just snappier performance and slightly better screens

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