While all eyes are fixed on the foldable iPhone that Apple is expected to unveil soon, news surrounding the Apple Watch Series 12 has remained largely quiet. Evidence suggests that the upcoming update will be mostly incremental; however, new and reliable leaks from Mark Gurman via his Bloomberg newsletter reveal Apple’s intention to introduce a health upgrade that may seem modest on the surface, but is in fact highly significant and impacts the daily life of every user.
Continuous heart rate tracking: An upgrade we’ve long awaited
Since the birth of the Apple Watch twelve years ago, the heart rate measurement process has only operated at full capacity when you start a workout or manually open the Heart Rate app to check your current status. Otherwise, the watch simply takes random, intermittent readings at long intervals throughout the day to preserve battery life. But it seems this approach is about to change, as information indicates that Apple is testing the activation of continuous, non-stop heart rate monitoring, as if the sports tracking mode were running in the background all the time.
This step is not just a technical showcase; it provides a vital medical benefit. Continuous monitoring contributes decisively to detecting subtle disorders such as Atrial Fibrillation and tracking the athletic recovery curve for longer periods after workouts end. Although this feature may mean additional strain on the battery, reports indicate the possibility of upgrading the optical heart rate sensor to an entirely new fourth generation to handle this load more efficiently.
Historically, Apple has only upgraded its sensors to support major features. The first generation lasted until Series 3, then the second generation introduced the ECG feature in Series 4, followed by the third generation in Series 6 to enable blood oxygen measurement, leading up to the high blood pressure alerts in the Apple Watch Series 11. The Apple Watch Series 12 is also expected to be equipped with a truly upgraded internal processing chip that goes beyond just renaming previous processors, which aligns with Apple’s usual cycle of developing watch processors approximately every four years.
The return of ceramic: Are we witnessing a revival of the luxury Edition models?
In terms of design, the Apple Watch Series 12 is expected to retain an exterior look identical to the Series 11 without revolutionary changes. However, the most notable surprise lies in the materials used, as leaks suggest the potential return of the luxurious ceramic material that we have missed since the launch of the Apple Watch Series 5 in 2019. Sources state that Apple has been testing white and dark gray ceramic for this year’s models under the internal codename “iceman”.
The history of ceramic with Apple has a special character; it first appeared as a logical alternative to 18-karat gold in the Apple Watch Edition models with the second generation in white, then expanded to include gray with the third generation, before Apple limited it again to the fifth generation in conjunction with the launch of the first titanium models. With the subsequent cancellation of the Edition brand and the replacement of stainless steel with titanium in the Series 10, it remains unknown whether ceramic will return under an independent luxury brand umbrella or simply be an additional option alongside titanium and aluminum.
As for those wishing to see radical changes in the general shape and screen size, Gurman confirms that a major redesign has likely been postponed to the Apple Watch Series 13 next year, or perhaps delayed even further until 2028, making the upcoming Series 12 an update aimed at those looking for continuous health precision and the classic elegance of manufacturing materials.
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