Overview
- Multiple outlets report in early August that Apple is preparing the Apple Watch Ultra 4 and Series 12 for an expected early-September reveal alongside the iPhone 18 Pro, though Apple has not confirmed the launch.
- The most consistent rumor is a meaningful chip upgrade to an S11 processor intended to speed performance and support on-device Siri AI, according to supply-chain reporting and Bloomberg-style coverage.
- Supply-chain reports suggest a large increase in sensing hardware, with one outlet saying the number of sensor components could roughly double; those reports also say Apple is developing a blood-pressure notification that is currently described as under FDA review.
- Separate supply-chain coverage claims the Ultra 4 will deliver notable power-efficiency gains, which could permit added sensors or modest battery-life improvements without increasing battery size.
- Retailers are discounting current Apple Watch models as buyers wait for the new lineup, and industry patterning points to a September announcement followed quickly by preorders and on‑shelf availability if Apple follows past schedules.