I spent a good 3 hours looking at watches and every late 70's early 80 DD i see has this diamond dial. here is a link, from the pictures it is the same. fake too?
http://portland.craigslist.org/mlt/jwl/1592917064.html
not as worried about that i was wondering if i had damage but I did take bad pictures so maybe it is not visable in the OP.