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The Tech Diff > Blog > Wearables > “Apple Watch Series 12 and Ultra 4: In-Depth Review”
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“Apple Watch Series 12 and Ultra 4: In-Depth Review”

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Last updated: September 14, 2026 3:46 pm
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Apple Unveils New Apple Watch Series 12 and Ultra 4 at “Surprise and Shine” Event

After Apple wrapped up its “Surprise and Shine” event today, enthusiasts and tech aficionados got a first glimpse of the new Apple Watch Series 12 and Ultra 4. Both watches are set to launch on September 18, with preorders being available starting today.

Contents
Apple Unveils New Apple Watch Series 12 and Ultra 4 at “Surprise and Shine” EventPrice and Variants of the Apple Watch Series 12Design and AestheticsNew Tech Features with S11 ChipEnhanced Heart Rate Sensor ArrayApple Watch Ultra 4 Features

Price and Variants of the Apple Watch Series 12

The Apple Watch Series 12 begins at a price of $399 for the aluminum case options, available in sleek space gray, classic black, light gold, and vibrant dark bronze aluminum. For those looking for a bit more luxury, the natural or radiant gold titanium version retails for $699, while the ceramic models—available in night blue and pearl white—will cost $899. Apple assures users of up to 24 hours of “everyday” battery life and boasts that outdoor workout sessions can now last up to 10 hours. The fast-charging feature is also noteworthy, allowing users to recharge up to 12 hours of battery life in just 15 minutes.

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Design and Aesthetics

In-person impressions of the ceramic Series 12 showcase a luxurious feel, particularly with the night blue version’s alluring hue. The stark pearl white model also exudes elegance, making it a chic accessory for any wrist. However, the new dark bronze color appeared darker than expected, reminiscent of how the dark green Series 7 exhibited a more subdued, blackish hue.

New Tech Features with S11 Chip

Under the hood, the Series 12 is powered by the new S11 chip, which enables several upgraded Audio Intelligence Siri AI features, such as Sound Recognition, Live Rewind, and Siri Recap. Health enthusiasts will appreciate the commitment to wellness, as the watch includes new optical and electrical heart sensors capable of continuous heart rate monitoring every five seconds. A standout new feature is the Health Age, which compares users’ health metrics to their chronological age, alongside a Readiness feature that scores how equipped users are to face the day based on activity levels, training loads, vitals, and sleep scores. It’s important to note that the Readiness feature is exclusive to the Series 12 and Ultra 4 due to the advanced heart rate sensor array required to support it.

Enhanced Heart Rate Sensor Array

The Series 12 and Ultra 4 also marked a significant update in the heart rate sensor design. Apple representatives highlighted the innovative “32-petal design” of the new models, contrasting with the older two-petal design. This redesign aims to provide significantly more accurate readings, which is crucial for health monitoring. Additionally, the optical sensors are positioned closer together to further minimize light leakage, enhancing the device’s accuracy.

Apple Watch Ultra 4 Features

The Apple Watch Ultra 4 shares the same S11 chip and Audio Intelligence features as the Series 12, starting at $799. It comes in stylish natural and black titanium finishes, along with an exclusive premium Apple Watch Hermès version. Users can expect an impressive battery life lasting up to 50 hours, making it an excellent option for athletes and outdoor adventurers.

With these latest releases, Apple continues to innovate and lead in the smartwatch market, emphasizing both style and functionality. For detailed information and insights, check out the full article Here.

Image Credit: www.theverge.com

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