Its $23 on Amazon
You probably saw the one without energy monitoring. This one has energy monitoring. And there are some other differences as well. I was also confused at first
Also 41mm, green $284 at walmart
https://www.walmart.com/ip/Apple-Watch-Series-7-GPS-41mm-Green-Aluminum-Case-with-Clover-Sport-Band-Regular/336891071
And Fitbit charge 5 $105 at Amazon
https://www.amazon.com/gp/product/B09BXDZ9BD/