Apple’s September iPhone event is traditionally one of the biggest dates on the tech calendar, and this year it is expected to bring more than just new phones. The event is also likely to introduce the next generation of Apple Watch models, with the Apple Watch Ultra 4 and Apple Watch Series 12 taking center stage alongside the new iPhones. While rumors about Apple’s handsets have been plentiful, information about the upcoming Watch lineup has been more scattered. Still, enough reports have emerged to paint a fairly clear picture of what to expect.

Key facts at a glance

• Apple is expected to unveil Apple Watch Ultra 4 and Apple Watch Series 12 at its September event.
• Both watches are expected to receive a faster chip, likely the S11, after several years of modest performance gains.
• Health features are likely to be a major focus, with rumors of additional sensors and a new hypertension notification feature under regulatory review.
• Design changes remain uncertain: some reports suggest a redesign, while others expect only small updates or a ceramic case option.

Apple Watch Ultra 4 and Apple Watch Series 12: expected features

Apple introduces new Watch models every September alongside its iPhones, and 2026 is expected to follow that pattern. According to multiple reports, the two new models will be the Apple Watch Ultra 4 and the Apple Watch Series 12. Both are said to feature a long-awaited upgrade to the chip inside the watch, which could have significant implications for performance, Apple Intelligence features, and future health capabilities.

Current Apple Watch models run on the S10 chip. Although Apple has continued to introduce new Watch hardware each year, the underlying processor performance has not changed dramatically since the S9 chip arrived in 2023. That has left some users wondering when the next meaningful speed bump would arrive. With watchOS 27 introducing Siri AI and more on-device intelligence, the timing appears right for an S11 chip. A faster processor would allow the watch to handle more complex Siri requests directly, improve app loading times, and provide headroom for the next generation of health algorithms.

Health tracking remains the centerpiece of Apple Watch, and the upcoming models are expected to push further in that direction. One report claims that the Apple Watch Ultra 4 will receive a significant upgrade to its sensing functions, potentially doubling the number of sensors in the device. That sounds ambitious, but Apple has been gradually expanding the health capabilities of its wearable for years, and a sensor-heavy refresh would fit the Ultra line’s positioning as a tool for serious athletes and outdoor explorers. Some of those new sensors may be related to hypertension monitoring, an area Apple has already begun exploring in recent software updates.

Hypertension notifications and health monitoring

Apple introduced hypertension notifications in watchOS 26 last year. The feature is designed to alert users when their blood pressure readings appear to be elevated, which could help people spot potential health issues before they become serious. The feature is not a medical diagnosis, but it is a meaningful step toward making blood pressure monitoring more accessible to everyday users. Now, there are signs that Apple is preparing an additional notification feature related to high blood pressure. Reports indicate that the FDA is reviewing the new feature, and it could be unveiled alongside the Apple Watch Ultra 4 and Series 12 this fall.

If Apple does expand its hypertension tools, it would continue a trend that started with the original Apple Watch’s heart rate sensor and later expanded to include ECG, blood oxygen, temperature sensing, and fall detection. Each new health feature has helped Apple position the Watch not just as a notification device for the iPhone, but as a proactive health companion. The addition of more sensors or more sophisticated notification features would deepen that story. However, it is worth noting that not all rumored health features arrive on time, and regulatory approvals can push launches back or cause Apple to ship a feature in a limited capacity.

Design rumors and the ceramic case question

One of the most debated topics surrounding the next Apple Watch models is design. A report from Digitimes, a Taiwanese trade publication, has claimed that the Apple Watch Ultra 4 will receive a major redesign. That would be an exciting development for fans of the Ultra line, which has retained the same basic look since the original Apple Watch Ultra was introduced. However, other reporting suggests that a full redesign is not yet ready. Some analysts believe that major visual changes will not happen until at least next year, and that the 2026 models will be more of an incremental update.

One possibility that has been mentioned is the return of a ceramic case option. Apple previously offered ceramic variants of the Apple Watch, but those were discontinued after the Series 5 generation. Bringing ceramic back would give the new Watch lineup a more premium and distinctive option, while also differentiating it from the aluminum, steel, and titanium models currently available. Ceramic is known for being scratch-resistant and lightweight, and it could appeal to buyers looking for a high-end Watch that stands out from the crowd.

Why the chip upgrade matters

Let’s talk about the chip in more detail. The S10 chip currently powers Apple’s latest watch models. The S9 chip, which arrived in 2023, introduced a faster Neural Engine and enabled on-device Siri features. The S10 kept many of those improvements, but performance gains were modest compared to the jump from older models. As a result, some users have held onto their watches longer, waiting for a reason to upgrade.

An S11 chip would be the first major performance leap in several generations. It would likely be built on a more advanced manufacturing process, offering better power efficiency as well as faster speeds. That could lead to better battery life, a long-standing concern for Apple Watch users. It could also enable new watch faces, smoother animations, and more capable apps. Most importantly, it would give developers a stronger platform to build richer applications on the watch, which has traditionally been a challenge due to hardware limitations.

What to expect from the September event

Apple’s September event is typically held in the second week of September, and the company uses it to launch the new iPhone lineup. The event also serves as the stage for the next Apple Watch and often includes announcements about software release dates, new services, and accessories. While the focus will be on Apple’s next flagship phones, the Watch segment should get its fair share of attention, especially if the new models include meaningful health upgrades.

As with any Apple event, there is still room for surprises. Apple has a habit of introducing features that were not heavily rumored, or saving a compelling announcement for a smaller part of the presentation. It is also possible that some of the rumored features, such as the ceramic case or the new hypertension notification, will be delayed or changed before the final announcement. The good news is that we do not have long to wait. The event will take place next month, and all of the unanswered questions should be resolved by then.

What users are hoping for

Many Apple Watch owners have clear wishes for the next generation. Some want longer battery life, especially on the Ultra model. Others want new health sensors that can track metrics like blood pressure and sleep apnea more accurately. There is also demand for better durability, more customization options, and tools that make the Watch more useful for people who do not consider themselves athletes. Apple does not always deliver everything users ask for, but the combination of a new chip and potential health features suggests that this year’s models will be more compelling than the last few updates.

Whether you are upgrading from an older model or buying your first Apple Watch, the Ultra 4 and Series 12 are shaping up to be important releases. The new chip will provide a stronger foundation for future software, and the health features could make the Watch an even more essential part of everyday life. With the September event only weeks away, we will soon know exactly what Apple has been working on and how it plans to define the next era of its wearable.

Source:9to5Mac News