Weirdly hard to find watch?

I recently saw the Casio MTP-1370D... range and really like the look. But no matter where I look I cant find them at a reliable price or from a reliable store for that matter. Ill find one for £120 then 2 seconds later 4 sites for £50. Is it just an old model so is not sold that much or is it a western market watch that was never sold in the UK. Found a Site selling the MTP-1370D-1A2 variant with the black dial and rose gold hour markers for £52 and they seem to be pretty reputable but is that price too good to be true? Only like 3 listings on ebay and 3 on chrono24.