HI, Excuse my lack of knowledge, but what does that mean? Does it make the watch any rarer or collectible? Thank you. Andy

Hi, I have what is the early stages of a watch collection, the last watch I bought was a two tone DATEJUST, after dating the watch to what I think is 1945, I am thinking it is a very early datejust, and now i am wondering if the red even numbers and black odd numbers on the date real are any signifi