How do I find the software version on my Apple Watch
How to find out what
is the latest software on my Apple Watch.
[Re-Titled by Moderator]
Apple Watch Series 3, watchOS 8
See this support page about the latest watchOS running on your device:--> Get information about Apple Watch
On the contrary, if you want to know what's the latest OS version supported by your watch model, see this compatibiliy chart:
If it is a series 3 (as stated in your products list), the latest supported version is 8.8.1.
Regards
Giulio