18k Omega Constellation Calendar

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18k Omega Constellation Calendar

#1 Post by KevinH » Wed Sep 13, 2017 9:11 am

Hi there,
I have had this watch since 1997. I have done some research on it and have found out the following:

It is a 1959 Denison 18k Constellation Calendar with a 504 movement. They only used this movement for a few months and then changed to the 561 movement so it is early.
The serial number in the back and the numbers stamped on the rim match, and the movement number is 17 million odd, this again is correct.
The lugs are teardrop shaped.
My question is regarding the face which has a speckled gold finish that I am finding hard to see anywhere else.
Can someone help me out?
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P1000419.JPG (4.44 MiB) Viewed 363 times
P1000413.JPG (4.39 MiB) Viewed 363 times
P1000416.JPG (4.49 MiB) Viewed 363 times

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Re: 18k Omega Constellation Calendar

#2 Post by vintagehamiltons » Wed Sep 13, 2017 12:00 pm

Looks like the coating/varnish on the dial has yellowed to me.
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Re: 18k Omega Constellation Calendar

#3 Post by afire » Wed Sep 13, 2017 1:44 pm

Agreed. I think that's just patina, not a particular finish effect.
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