Apple has announced the Apple Watch Series 12 and Apple Watch Ultra 4, bringing upgraded health sensors, continuous heart-rate sampling and new AI-powered features. CNET's Vanessa Hand Orellana gives a first look at the new S11 chip, readiness tracking, ceramic models and battery life updates.Read more about Apple Watch Series 12 and Ultra 4: Apple Watch Series 12 announced: What we know about release date, price, and featuresApple Watch Ultra 4 announced with no price increase, new featuresTimecode chapters00:00 Intro: Apple Watch Series 12 and Ultra 4 hands-on00:22 Price breakdown and comparison00:45 Upgraded performance: S11 chip and AI features01:05 Audio intelligence and live rewind feature02:12 Redesigned health sensors and continuous heart rate tracking02:58 New readiness score and health app overhaul04:42 New ceramic and bronze finish options05:00 Battery life and ultra extended workout mode05:33 Final Thoughts: Are they worth the upgrade?

Video creditsHost: Vanessa OrellanaScripted by: Vanessa OrellanaProducer: Numi PrasarnCamera: Celso BulgattiVideo editor: Dillon PayneThumbnail designer: Cole Kan