Mine is the 014 (only produced 2017-19 I believe) whereas the 15 is the same as mine but with diamonds on the dial The picture is a bit dark but it is indeed blue - the below pictures show the blue more clearly (it shifts from light navy to very dark navy...
For the reverso it’s just the standard medium small seconds that I typically wear on either a dark green cordovan or mesh as per below. The reverso is actually a very recent addition but absolutely love it as well ...