Question about Apple Watch Series 10

Why is the Apple Watch Series 10 described as 46mm on digitec.ch? Quote Chat GPT: It looks like the Apple Watch Series 10 is actually described as 46mm on Digitec. This is probably a typo or an inaccurate statement. The official size of the Apple Watch Series 10 is 45mm, as stated by Apple itself. It is possible that Digitec has rounded up the size or provided incorrect information. Now I'm a little confused