Download amazon music songs to an apple watch se A2353 to listen offline

That depends on a few factors.

If the Amazon Music tracks are not DRM protected, you may be able to add them to iTunes on a computer and then sync the to Apple Watch's paired iPhone if there is one, from where you can then add them to the watch.

click here ➜ Add Music to Apple Watch - Apple Support

If the music is DRM protected, or the Watch is set up through Family Setup, then there is no way to add music to the watch outside of the Apple Music subscription service.

You could get an Apple Music subscription and share it with the family, then it can be accessed directly on the watch.

Alternatively you can try installing the Amazon Music Apple Watch and see if it can access the Amazon Music subscription if that is what you have.

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