Apple’s next-generation Apple Watch lineup is expected to be unveiled in September, featuring the Apple Watch Series 12 and Apple Watch Ultra 4. According to reports, the company is in the late stages of testing three new models: Wi-Fi-only and cellular versions of the Series 12, along with the premium Ultra 4. While the external design may appear familiar, the most notable changes are happening under the hood, with a focus on health-tracking advancements and a long-overdue processor upgrade.
A New Chip After Three Years
Since the Apple Watch Series 9 and Ultra 2 in 2023, every subsequent model has used rebranded versions of the same chipset, offering virtually identical performance. That is set to change with the Series 12 and Ultra 4. Reports indicate that Apple is finally introducing a new processor that will bring a significant boost in speed and efficiency. This chip is expected to be based on a more modern architecture, potentially derived from the A16 or A17 Bionic used in recent iPhones, adapted for the watch’s low-power requirements. The performance improvement will not only make the user interface snappier but also enable more complex on-device health computations, such as real-time analysis of sensor data for features like sleep apnea detection or advanced heart rhythm monitoring.
Health and Fitness Focus
Health monitoring remains Apple’s primary differentiation in the smartwatch market. This year, the Series 12 and Ultra 4 are expected to introduce a new high blood pressure notification feature. Unlike traditional cuff-based measurements, Apple’s approach uses a combination of photoplethysmography (the green and red LEDs on the back) and machine learning to detect trends in blood pressure over time. While it may not provide exact systolic/diastolic numbers at launch, it could alert users to potential hypertension, prompting them to seek medical attention. This feature would join an already robust set of health sensors, including ECG, blood oxygen monitoring, temperature sensing, and fall detection.
Beyond blood pressure, there are persistent rumors about non-invasive blood glucose monitoring. However, experts agree that technology is still years away from being miniaturized for a wearable. Apple has been working on a “laser-based” method to measure glucose levels through the skin, but it may not appear until the Apple Watch Series 14 or later, possibly toward the end of the decade.
Design: What Stays, What Changes
In contrast to the internal upgrades, the external design of both the Series 12 and Ultra 4 is expected to remain largely unchanged. The Series 12 will likely retain the same rectangular shape with rounded corners, digital crown, and side button. The screen sizes are expected to stay at 41mm and 45mm for the standard model, while the Ultra 4 will continue with a 49mm titanium case and a flat display. Apple is reportedly working on a more substantial redesign for a future generation, possibly in 2027 or 2028, which could include a thinner chassis, new materials, or a fully flush sensor array. For now, the emphasis is on making the existing form factor more capable.
No New Apple Watch SE This Year
Apple’s budget-friendly Watch SE was updated in 2024 with an always-on display and improved performance. According to industry insiders, there will not be a new SE model in 2026. The current SE remains a strong entry-level option, offering essential health tracking and notifications at a lower price point. Apple is likely to focus its engineering resources on the high-end models and the long-term health projects.
The Apple Watch Ultra 4: Built for Adventurers
The Ultra 4 is expected to build upon the rugged foundation of its predecessor. The Ultra series is designed for extreme environments, with a precision dual-frequency GPS, an 86-decibel siren, a depth gauge to 40 meters, and a sapphire crystal display. The new chip could enable more accurate altitude tracking and longer battery life during outdoor activities. There is also speculation that Apple may introduce a satellite connectivity feature for emergency messaging when out of cellular range, similar to the iPhone’s Emergency SOS via satellite. This would be a game-changer for hikers, climbers, and solo travelers.
Software and WatchOS 12
Alongside the hardware, Apple is expected to unveil watchOS 12 at its Worldwide Developers Conference in June, with a public release in September. The new software will likely include enhanced workout metrics, new watch faces optimized for the Ultra’s larger display, and improved health data sharing with family members. The combination of faster hardware and refined software will ensure that the Series 12 and Ultra 4 deliver a fluid experience even as apps become more demanding.
Competitive Landscape
Apple continues to dominate the smartwatch market, accounting for over 30% of global shipments. Competitors like Samsung, Garmin, and Fitbit (Google) have made strides in battery life and specific fitness features, but Apple’s ecosystem integration and health sensor roadmap keep it ahead. The introduction of blood pressure monitoring would place the Watch Series 12 in direct competition with Samsung’s Galaxy Watch series, which already offers blood pressure measurement in some regions. However, Apple’s implementation is expected to be more seamless within iOS and Health app.
Historical Context: Apple Watch Evolution
The Apple Watch was first introduced in 2015 as a luxury companion device. Over the years, it has evolved into a serious health tool, credited with saving lives through fall detection, irregular heart rhythm alerts, and crash detection. The Series 4 introduced the ECG app, the Series 6 added blood oxygen monitoring, and the Series 8 introduced temperature sensing for cycle tracking. The Ultra line debuted in 2022 to cater to athletes and outdoor enthusiasts. With each generation, Apple has refined its sensor packages and processing capabilities.
The Series 12 and Ultra 4 represent a maturation of the platform. Rather than chasing a thin form factor or radical design changes, Apple is concentrating on the aspects that matter most to users: health insights, battery life, and performance. This strategy aligns with the company’s broader focus on health and wellness, as seen with the Apple Watch’s integration into medical research studies and partnerships with healthcare providers.
What to Expect at the September Event
Apple traditionally holds its annual iPhone event in September, where the new Apple Watch is also announced. Pre-orders typically start the same week, with shipments beginning a few days later. Pricing is expected to remain similar to the previous generation: the Series 12 starting at $399 and the Ultra 4 at $799. The Series 12 will be available in aluminum and stainless steel finishes, while the Ultra 4 will continue with titanium cases.
In summary, the 2026 Apple Watch lineup is shaping up to be one of the most significant upgrades in terms of internal capabilities, even if the exterior remains familiar. The combination of a new processor, potential blood pressure monitoring, and long-term health projects underscores Apple’s commitment to making the Watch an indispensable health companion. Users who skipped the Series 9, 10, or 11 will find compelling reasons to upgrade, while Ultra fans can look forward to enhanced durability and possibly satellite connectivity. As always, the September event will provide the full picture, but the signals from supply chain and internal testing suggest a robust update.
Source: 9to5Mac News