Casio F91W vs. A158 Watch Review. What's the Difference?
Casio F91W vs. A158 Watch Review. What's the Difference?

I was unclear on the differences between the Casio F91W and A158. I bought one of each to compare in a hands-on review. Click to check it out.

The World's Best Selling Watch Reviewed - Casio F91W
The World's Best Selling Watch Reviewed - Casio F91W

Introduced in 1989, the Casio F91W is regarded as the world's best-selling non-smartwatch. I picked one up for a hands-on review (and a future project).

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