A leaker with a reasonable track record, except regarding the Apple Watch, claims that the Apple Watch Series 12 will feature a new health sensor, but only in its fluoroelastomer band.

Apple Watch with the basic band – image credit: Apple
Apple Watch already tracks a huge number of different health metrics, but Apple has regularly been rumored to add even more sensors via a watch band. According to leaker Kosutami, the company is finally going to do it, although with one significant catch.
[Censo-Wat]ch Series 12 gonna have a sensor on band, injection molded(to the silicon band, they hasn’t yet figured out how to putting a sensor on band with other materials now.).
— Kosutami (@Kosutami_Ito) July 3, 2026
Rumor Score: 🤔 Possible