Rolex Explorer 2 Chi Chi di Mais Box and paper Set 16570Popcorn on porcelain This is a very interesting and under the radar Explorer 2 with a white porcelain dial. These watches are not as well known as the other porcelain dial Daytona , but we really love them and know you will too! Also known as the Polar dial, this example has rich yellow hour plots, what the Italians term chi chi di mais or corn kernals in English. The case is strong with thick even lugs and the brushed steel bezel is still in great