. . . just the first, Steve? I'm guessing ref 2652 for the second.
Damned difficult to find these days in any condition . . . the knife-sharp edges on yours makes it even more desirable.
I've posted this '57 ref 2852 before here as well as on Omega Forums . . .

[photo credit: Dr No / watch credit: Jack K]
. . . which had similarly well preserved edges. Not to mention a lumed black pie-pan dial . . . not an everyday occurrence.