Watch & watchOS
Apple Watch
Apple Watch
Apple Watch Series 4
Not on Apple's list for watchOS 27
The newest release we've verified for it is watchOS 10. Apple sometimes releases security updates for older versions too — see Apple's security releases page.
watchOS releases it runs
-
watchOS 10
Released Sep 2023 · latest 10.6.2
Only releases checked against a source are listed. Osnivo currently tracks watchOS 10 and later.
Other Apple Watch models
At a glance
- Platform
- Watch · watchOS
- Family
- Apple Watch
- Model numbers
- A1977, A1978, A1975, A2007, A1976, A2008
Sources for this page
Last verified 8 Oct 2026
- 1 Identify your Apple Watch - Apple Support support.apple.com
- 1 Your Apple Watch - Apple Support support.apple.com · guide for version 10.0