I find it funny some of the things the Japanese post when describing a watch, as the title says, I saw this on ebay.
<< About degree notation >>
N ... It is a state of intact article. It is a flowing item.
S ... It is a beautiful item just like a new article, or only a small scratch.
A + ... It is a very good product with only minute to small scratches. (Finished items will also be included)
A ... There are somewhat small to medium scratches, but they are products of good quality. (Finished items will also be included)
B ... It is a commodity where a small to slander can be seen quite a bit.
C ... There are many small to slander, it is a commodity that can also see a big scratch.