Late last year, Wyze announced a $20 SP02 tracking smartwatch. That’s an incredibly low price for any smartwatch. Over on its site, you can choose two different size options—44 and 47mm. You’d think it’s the same watch either way, but it turns out they’re very different. And we don’t know why.
Source: The Wyze Watch 44 and 47 Are Completely Different and We Don’t Know Why – Review Geek