It has been a year since the Apple Watch Ultra 3 launched, and projections suggest that Apple is planning to debut the Apple Watch Ultra 4 in September of this year. Rumors and leaks are already circulating about the new features we might see. Here is a roundup of everything we’ve heard so far.

Performance and Security

The Apple Watch Ultra 4 is rumored to feature exquisite upgrades aimed at boosting performance. It is expected to house the S11 chip, which will offer faster processing and improved power efficiency. This hardware jump will likely enhance the watch’s health features, providing even more precise, real-time results. Precision and ease of use seem to be the primary themes, with rumors pointing toward a Touch ID sensor (allegedly internally codenamed "AppleMesa") integrated into the Action Button or Digital Crown, similar to the biometric sensors found on the iPad and MacBook.

Improved Health Tracking

Word is that the underside of the watch is also getting a redesign to fit a doubled sensor array, moving from four sensors to eight. This change allows for significantly more accurate readings; whereas the previous four-sensor setup could sometimes struggle with thicker skin, tattoos, or various skin tones, this expanded hardware provides the precision needed for more consistent data. It is also expected to enable Hypertension (High Blood Pressure) alerts, marking a major health milestone for the Ultra series and shifting it further into the realm of proactive medical technology.

Battery Life and "Extreme Mode"

The battery is allegedly getting a boost as well. While some reports suggest the watch’s physical footprint will not increase, they indicate that other internal components may be shrunk down to make room for the larger battery. A key goal for this model is a more slimmed-down design, addressing common feedback from users who felt that previous Ultra models were too bulky for comfortable everyday use. This larger or more efficient battery could hold a charge for up to two days longer than previous models. This would perfectly complement a rumored new feature called "Extreme Mode," designed to help users maximize their watch’s utility during long-distance outdoor adventures by optimizing power consumption without losing vital tracking data.

Until September 2026, we won’t know for certain which rumors will be confirmed or debunked. In the meantime, enjoy your Ultra 3 and keep an eye out for new leaks that may shed more light on these features. If the majority of these rumors prove true, the Apple Watch Ultra 4 will be an incredible addition to the lineup and likely the must-have upgrade of the season. If you do decide to make the jump, we’ll have a full range of compatible bands ready to complete your new look.

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