Apple’s latest Watch Series 12 offers significant internal improvements, including a new chip and sensors that enhance health monitoring and AI-assisted features, but remains a measured upgrade for most users.
Apple’s Series 12 does not look like a radical departure, but The Verge says the internal changes are substantial enough to matter. The familiar case, controls and size options remain, yet Apple has reworked the chip and sensor package in ways that support more frequent health sampling, faster on-device processing and a broader push into AI-assisted wearables.
At the centre of the update is the new S11 chip and a redesigned health sensor array. According to the review, the watch now measures heart rate every five seconds rather than every five minutes when it is not tracking exercise, a change Apple says helps it compete with rivals that have offered near-continuous monitoring for years. The reviewer also reports that Apple has enlarged the ECG electrodes and reconfigured the optical sensors for better light capture and lower power use.
That hardware appears to underpin a new readiness score, which Apple is using to summarise recovery from sleep, activity and overnight vitals. The Verge says the feature takes seven nights to calibrate and then grades readiness on a 0-to-10 scale. It draws on resting heart rate, respiratory rate, wrist temperature and a new recovery heart rate variability measure, which Apple treats differently from its long-standing HRV reading.
Battery life remains broadly unchanged on paper, with Apple still pointing to a 24-hour estimate. But the review argues that faster charging makes daily use more practical, noting a jump from 20 per cent to 64 per cent in a 20-minute charge test. The S11 also seems to improve Siri responsiveness, while the new pinch gesture makes single-handed control more effective than on earlier models.
The most contentious addition is Audio Intelligence, Apple’s name for a set of ambient-listening features enabled by the new microphone processing. Some of the most ambitious functions, including conversation summaries and short rewinds, are not yet available. What The Verge could test was faster Shazam integration and sound recognition for alerts such as alarms and sirens. Apple is also pairing the rollout with privacy messaging, suggesting it wants to frame the Apple Watch as a safer place to try AI features than newer categories such as smart glasses.
For buyers, the review’s conclusion is measured rather than dramatic. It calls the Series 12 a solid upgrade for owners of much older watches, especially those on a Series 6 or earlier. It also suggests that Series 9 and later users can probably wait unless they specifically want the continuous heart-rate changes or are managing a medical condition that would benefit from them.
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