I feel that the smartphone connectivity feature is a departure from the philosophy of the F-91W. Is having a smartphone for "Easy watch setting" not a flaw of the watch, rather than a feature?

I'd love if it was radio controlled and charged with solar. And without phone connectivity.

How hard did you look?

https://www.casio.com/us/watches.filter.solar-radio_adjust-K...

You can buy that watch