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Story summary
- Apple launches Apple Watch Series 12 and Ultra 4 in the United States, with preorders beginning Sept. 9.
- Both watches run on the new S11 chip featuring a quad-core Neural Engine for built-in Siri AI.
- Apple says Ultra 4 provides up to 50 hours of battery life, exceeding two days in regular use.
- The watches become available in stores and for delivery on Sept. 18, 2026.
