Code on back of dial

johnyboy
Posts
37
Likes
4
Is there anywhere to look up a dial design from the code printed on the back?

IMG_3930.webp


This is the knackered dial from my 2451, it would be interesting know know what the original finish was before the 70+ years of abuse!

Thanks

John
 
mac_omega
Posts
3,520
Likes
7,538
I have tried this for 30 T2 chronometres when researching for my book - in vain.
It seems to be a factory internal numbering system and may also be used to number "production batches".
I have found at least 3 different numbers on dials with accurately the same design - so what to make out of this?
The initial number "23" is for "Omega" and "ZJ" is for the producer Zelim Jacot, also called Flückiger SA. The number in between I can not decode.
I guess this will not help you...
 
johnyboy
Posts
37
Likes
4
mac_omega mac_omega
I have tried this for 30 T2 chronometres when researching for my book - in vain.
It seems to be a factory internal numbering system and may also be used to number "production batches".
I have found at least 3 different numbers on dials with accurately the same design - so what to make out of this?
The initial number "23" is for "Omega" and "ZJ" is for the producer Zelim Jacot, also called Flückiger SA. The number in between I can not decode.
I guess this will not help you...

It may not help, but it was very interesting. Thanks.
 
johnyboy
Posts
37
Likes
4
Another newbie question, when you see marks on the back of a dial where the indices have been fitted, does this mean the dial was refinished at some point or was that the way that these dials left the factory?
 
JimInOz
Posts
17,465
Likes
36,612
johnyboy johnyboy
does this mean the dial was refinished at some point or was that the way that these dials left the factory?
It can be hard to tell the difference between original and refinished. Looking at the marks under a microscope can help.
The original marks will usually be all in the same direction as the dial finisher ground of the index stubs and left the grind marks.
A refinished dial may have more than one "fingerprint" where the original index posts were ground down.

A refinished dial may also have a small V notch on the edge, usually at 3, this is used to index/align the dial in the dial print machine.
 
Sign up or log in to reply...