Doubt about time accuracy / precision between different models

Hello again everyone,

Long time I didn’t post here.
I would appreciate your opinion / view on a doubt I do have.
Everyone feel free to post your opinion.

My main question is:
How come, inside the same watch brand and range (Casio G-Shock), can significantly expensive models actually be LESS time accurate / precise, than cheaper models – as in example bellow :

1.
My most expensive G-Shock models (and the ones I suppose that have best build quality) are the GMW-B5000 and the…

Doubt about time accuracy / precision between different models

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