Apple Watch Series 12 and Ultra 4 Launch Alongside Heart Rate Accuracy Study
Apple officially introduced the Apple Watch Series 12 and Apple Watch Ultra 4 on September 10, along with its Apple Watch Heart Rate Accuracy Study. The source material identifies the following key details:
- New models: Apple Watch Series 12 and Apple Watch Ultra 4
- Chip: A new S11 chip, with CPU, GPU, and NPU improvements
- Starting prices: $399 for Series 12 and $799 for Ultra 4
- Availability: Both models go on sale September 18
- Study focus: Huawei WATCH 5 was among the devices compared and was described as “the only exception”
Health-Sensing and Software Updates
Both watches feature a new health-sensing system. Apple says the larger electrode surface area improves skin contact during ECG measurements, while the reading frequency has increased by a factor of 60.
The Heart Rate app and watch-face complications have also been updated to offer a broader view of users’ health. The Fitness app can display a Body Score, while Apple Intelligence provides recommendations that can adjust dynamically according to a user’s status and data.
Users can also manually add and synchronize medical-record updates. Based on measurement results, the app may recommend related videos from clinical experts.
Audio Intelligence and Recording Features
The new Apple Watch models add audio intelligence, bringing sound recognition to the watch for events such as alarms, doorbells, and infant cries.
A recording feature can generate text summaries of conversations and will initially support English. Apple has also outlined privacy commitments for these capabilities.
Huawei WATCH 5 in the Heart Rate Study
According to the original news summary, Apple’s Apple Watch Heart Rate Accuracy Study included the Apple Watch Series 12, Garmin Forerunner 970, Google Pixel Watch 4, Huawei WATCH 5, and Samsung Galaxy Watch devices. The news headline states that Huawei WATCH 5 was identified as “the only exception.”
The available material does not provide the study’s complete methodology, sample size, detailed error measurements, or full conclusions. As a result, the phrase “the only exception” should be treated as the study’s reported wording rather than as proof of a comprehensive ranking across every use case, health feature, or aspect of the product experience.
Heart-rate accuracy is an important wearable metric, but real-world results can also be affected by fit, exercise type, skin tone, ambient temperature, and algorithmic processing. Consumers can consider a single study as one input, while also weighing their phone platform, health needs, and everyday usage patterns.
Published Product Details
| Feature | Apple Watch Series 12 | Apple Watch Ultra 4 |
|---|---|---|
| Starting price | $399 | $799 |
| Chip | S11 | S11 |
| Case information | Deep bronze, plus two polished titanium and two ceramic options | Black and natural titanium cases |
| Bands | No new colors specifically noted in the source | New band colors |
| Availability | September 18 | September 18 |
Final Thoughts
The launch combines health sensing, sound recognition, and conversation summaries in Apple Watch’s latest update, while the heart-rate study has brought additional attention to Huawei WATCH 5. As wearables continue to improve their sensors and software algorithms, competition may increasingly depend not only on individual measurement accuracy, but also on how clearly, reliably, and privately devices turn multiple streams of physiological and behavioral data into useful health information.