Apple Watch Series 12 First Look: New Sensors, Health Features and More

The Apple Watch Series 12 is officially here, and we got our hands on one to take a closer look at what’s new. While the latest model doesn’t introduce any major changes to the familiar exterior design, Apple has made several important upgrades under the hood, particularly to its internal hardware and health-sensing capabilities. The result is a watch that looks familiar but brings meaningful improvements to health tracking and everyday performance.

Apple Watch Series 12 Design and Health Features

The Apple Watch Series 12 keeps the familiar design of the Series 11, but Apple has introduced several new color options. Aluminum models are available in light gold, dark bronze, black, and space gray, while ceramic models come in pearl white and night blue. Polished titanium versions are offered in radiant gold and natural finishes.

Apple has also upgraded the display glass on aluminum models, replacing Ion-X with Ceramic Shield 2, which Apple says is 60 percent tougher.

Although the front looks almost identical to the previous generation, the changes are more noticeable on the back. Apple has redesigned the sensor system and introduced its new Health Sensing System, which the company says makes Series 12 its most accurate Apple Watch for heart-rate sensing.

The new system works alongside the S11 chip, which replaces the S10 used in Series 11. Series 12 can take heart-rate readings every five seconds and measure heart-rate variability as often as every five minutes.

Despite the increased sampling, early testing hasn't shown an obvious impact on battery life. Apple continues to rate the watch for all-day use, while charging has been improved. A 15-minute charge can provide up to 12 hours of normal use, although the faster charging speed requires the charger included with Series 12.

New Readiness Feature

One of the more interesting additions is Readiness, which uses information such as recent activity, vitals, and sleep to help indicate whether you should push your activity or take a recovery day.

The feature needs roughly a week of data from the Apple Watch before it begins providing a Readiness score, and the score can change throughout the day as new data becomes available.

The S11 chip will also support Live Rewind and Siri Recap, although Apple says those features won't arrive until later this year.

Is Apple Watch Series 12 Worth Upgrading To?

Series 12 isn't a major design overhaul, but its new sensors and health features make it a meaningful update. For owners of much older Apple Watch models, the improvements in health tracking, durability, charging, and performance provide several reasons to upgrade.

Owners of Series 10 or Series 11 will see fewer hardware changes, making the decision more dependent on whether the new health-sensing features are important to them. The Apple Watch Series 12 comes in 42mm and 46mm sizes, with pricing starting at $399.