One of the sweetest noises I've heard from a watch was the alarm of a JLC Memovox Tribute to Polaris. (This is the reissue, not the original.) Unlike most Memovoxes, and most alarm watches in general, it sounded like trilling bells rather than a joy buzzer.
Unfortunately, that was a $10K watch several years ago. It hasn't gotten any cheaper.
EDIT: Found a video! Audio quality isn't great, but you can still tell that the ringing is rather special. Not even the more recent Tributes to Deep Sea sound like it: