I confess that this is not my favourite dial colour! Sandy brown would perhaps most kindly describe the main colour….It’s quite a rare one though, so I had to get it 🙂 It’s one of the second generation of sports watches Citizen started with the Yacht and Soccer Customs using the 52 movement. And as with those this one uses the 7290 ‘hacking’ calibre. It has the same case number as its V2 siblings:

A bit more info can be found here:
https://sweep-hand.org/2012/02/29/this-weeks-featured-watch-24-the-yacht-custom/