The apple watch series 12 with a sleek finish, displaying heart rate monitor on screen.

Apple Watch Series 12 Debuts with Enhanced Heart Rate Sensors and Sleek New Finishes

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Written by Seth Sebastian

2026-09-09

The new era of Apple Watch: Series 12 and Ultra 4 unveiled

Apple has officially introduced the Apple Watch Series 12 and Apple Watch Ultra 4 at its latest product event. These watches showcase a redesigned health tracking system that highlights frequent and precise heart rate monitoring.

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The heart rate monitor in these models undergoes a significant upgrade. It captures data every five seconds, marking a 60-fold increase in measurement frequency compared to previous versions. Additionally, Heart Rate Variability (HRV) is now recorded every five minutes. Apple asserts this is the most accurate heart rate sensor ever integrated into a wearable device.

A noteworthy addition is the “Readiness” feature, which analyzes your activity, vitals, and sleep data to provide personalized insights.

Apple Watch Series 12: Advanced Audio Intelligence and Features

Apple has integrated a new Audio Intelligence aspect into both the Series 12 and Ultra 4. This includes features like sound recognition for doorbells and a “live rewind” that transcribes the past 15 seconds of audio, activated by double-clicking the Digital Crown.

Close-up of an apple watch series 12 showcasing the new sleek finish.

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Siri Recaps is another innovative feature, generating summaries for activities such as meetings using audio notes. The watch also boasts a new Siri Modular face design.

Apple Watch Series 12 on a table with a focus on its enhanced sensors.

Performance, design, and availability

Powered by Apple’s new S11 chip, these watches incorporate an A20 Pro-derived CPU, GPU, and Neural Engine to ensure seamless performance. The Series 12 comes in a variety of finishes, including space gray, black, light gold, and bronze aluminum, all protected by Ceramic Shield 2, which Apple claims is 60% tougher.

The polished titanium models are offered in radiant gold and natural hues, while ceramic options include pearl white and a new dark blue. Hermes adds gold to the lineup.

Different colored bands for the apple watch series 12 displayed in a row.

The Ultra 4 stands out with an impressive battery that lasts over two days and offers black and natural titanium finishing options. A new titanium band is also available. Both models are available for pre-order now, launching on September 18 with prices starting at $399 for the Series 12 and $799 for the Ultra 4.

User wearing the apple watch series 12, showing time and date on the screen.

For further details, view the official press release.

Stay informed with comprehensive coverage of Apple’s latest event.

The apple watch series 12 on a wrist, highlighting the new heart rate sensor.
apple watch series 12

Source: 9to5mac.com

Frequently asked questions

What new features does the Apple Watch Series 12 have?

The Apple Watch Series 12 features enhanced heart rate sensors with data captured every five seconds, HRV recorded every five minutes, and a ‘Readiness’ feature for personalized insights. It also includes Audio Intelligence aspects like sound recognition for doorbells, a ‘live rewind’ audio transcription, and Siri Recaps.

What are the design options for the Apple Watch Series 12?

The Series 12 comes in finishes such as space gray, black, light gold, bronze aluminum, radiant gold, and natural in polished titanium, as well as pearl white and dark blue in ceramic. Hermes adds gold to the lineup.

When will the Apple Watch Series 12 be available?

Both the Apple Watch Series 12 and Ultra 4 are available for pre-order now and will launch on September 18.