Compatibility
Apple Watch Ultra
Apple Watch Ultra shipped with watchOS 9 and was released on September 23, 2022. The newest software it can install is watchOS 26.6 Beta.
Shipped with
watchOS 9
Updates to
watchOS 26.6 Beta
- Released
- September 23, 2022
- Chip
- S8
- Identifier
- Watch6,18
- Colors
Frequently asked questions
What watchOS version does Apple Watch Ultra support?
Apple Watch Ultra can update to watchOS 26.6 Beta. That is the newest version Apple offers for this model.
What version did Apple Watch Ultra come with?
Apple Watch Ultra shipped with watchOS 9.
Which chip is in the Apple Watch Ultra?
Apple Watch Ultra uses the S8 chip.
What is the model identifier of Apple Watch Ultra?
The model identifier is Watch6,18. You can match it against the Model Number shown in Settings → General → About.
Running the beta on this device
If Apple Watch Ultra is still on Apple's compatibility list, you can install the current beta on it. Check Supported Devices to confirm, then follow our install guides. Devices that no longer receive major updates stay on watchOS 26.6 Beta.
Thinking of upgrading?
Wondering whether it's a good time to replace your Apple Watch Ultra? The Buyer's Guide shows how long Apple's current models have been on sale and how long previous ones lasted, so you can tell whether to buy now or wait.