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Discussion Starter #1 (Edited)
Hi,

I have a Omega Speedmaster Moonwatch and I need some help....

I found pages chronomaddox where are Omega serial numbers by year (Omega Serial Numbers By Year...), but my colleague found accurate page for speedmasters (Roman Hartmann’s Omega Speedmaster Serial Number Chart). My speedmaster was probably manufactured in 1983 according the second page... The colleague has a Speedmaster Moonwatch from year 1982 (exactly 21th December). He got the "OMEGA EXTRACT" where it is written. He has number 4412xxxx and I have number 44819404...

Now there are papers that are written to my Moonwatch, but I'm not sure of their authenticity...
The papers are written to year 1980 - I think, that is too early according the "OMEGA EXTRACT" of my friend...

My number is higher than friend´s and in the papers is year 1980... I don´t understand... There is a number 14502278ST on a case, but year 1983 is for 1450022ST according this page...Roman Hartmann’s Omega Speedmaster Serial Number Chart

What do you think?



I posted some pictures of that...

What does it mean the four 1111 in the papers?
And I have sign 14502278 not 145022. Is it an exception and the problem of determine the year of manufacture 14502278?


Thank you for Your help. :)

Kind regards,
Karel

msg-21738-0-67606100-1389205930.jpg msg-16522-0-67880000-1382573815.jpg msg-16522-0-82035500-1394194467.jpg msg-16522-0-78459700-1394194460.jpg msg-16522-0-89953100-1394194443.jpg msg-16522-0-52738900-1394194450.jpg msg-21738-0-84710600-1394445163.jpg 1983.JPG
 

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Those tables are approximations. Your watch is a '78 model, a 145.022-78. It was sold in 1980, which is c/w it being a 78 model. The only real way to determine when it was made is to get an Extract of the Archives.
 

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Those tables are approximations.
This is true. The tables are definitely not exact, as I originally discovered by comparing my pre-moon Speedy to the tables. It made sense after reading a letter from John Diethelm of Omega stating that movement serial numbers were not correlated to years of manufacture. In my opinion, the tables that are floating around the Internet can be as much as 2-3 years off in some cases.
 

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Another thing to consider is that since Omega (like most watch makers) was not doing well during this period, they just weren't making or selling many watches. Parts hung around in inventory for a long time, I've seen watches with an 82-84 movement and a 78-82 caseback. Drop S and R dials later than they should have been... It's all a bit of a mess really ;-)
 

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Discussion Starter #5
"It's all a bit of a mess really" - Yes, it´s weird, becouse the papers... Movement 1983, papers 1980...
I understand if it was the other way - Movement 1980, papers 1983...But this one?...

What does it mean 1111 in the papers on the picture? Does it mean country to export my Moonwatch?
Thank you...
 

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The solution is that without an extract, manufacturing date is an approximation. For speedys it can be off + or - 3 years. From personal experience, I've had Seamasters off + or - 7 years.
 
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