1947 Omega watch 30T2PC

W
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Hi,
I recently purchased this watch and am hopeful that someone can help with some more information about the watch.
I have dropped the watch into a watchmaker for a service, and he gave me the following information.
Serial number is 11345692 which I have found out means 1947 year of manufacture.
Calibre is 30 T2PC. This seems correct but was wondering what the PC stands for?
The writing of the inside of the case back has a number 2503-3. Don't know what this means.
So, in summary, I'm wondering what the 2503-3 means and what the PC stands for and would appreciate any other fun facts anyone may know about this model.
The better photo I have is from the add but I also have a poor yellowish photo I took in the store. Sorry no more to offer at this time.
Looking forward to hearing from someone.
1947 omega watch.webp 1940s omega watch.webp
 
TexOmega
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Welcome

What has your research shown so far after using the google machine and the search function here on the forum?
 
JimInOz
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It can be a bit confusing at times though, SC equates to "Seconds Centre" while PC equates to "Shock Absorber" (Incabloc).
Your watch has a sub-seconds dial which is referenced as PS (Petit Seconds) but I haven't seen it used much.
 
W
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JimInOz JimInOz
It can be a bit confusing at times though, SC equates to "Seconds Centre" while PC equates to "Shock Absorber" (Incabloc).
Your watch has a sub-seconds dial which is referenced as PS (Petit Seconds) but I haven't seen it used much.
Thanks very much that helps a lot
 
W
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TexOmega TexOmega
Welcome

What has your research shown so far after using the google machine and the search function here on the forum?
Hi Tex, I think gave now found all I need to know thanks to the answers provided on this forum.
Thanks for you help
 
Dan S
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This is what your movement looks like. 30T2 PC from within my ref 2505.

552033-913b0fddcb6cb7c6957a337828f6c757.webp
 
W
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Hi thanks for everyone's help. Also wondering what type of strap would have been normal for this age watch. The one supplied seems a reasonably cheap item.
Cheers
 
Vitezi
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W Westywatches
Also wondering what type of strap would have been normal for this age watch
A thin, unpadded, tan pigskin or calfskin box-stitched strap would have been typical
 
UncleBuck
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Welcome, Westy!
I really like your watch, appreciate your grace and am certainly proud of the knowledge and support that esteemed members have shown to a new arrival.
Glad you got it serviced and wear it in good health!
Just remember to keep it dry.

Now, on to the next one.....
 
OllieOnTheRocks
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Looks like a nice watch - would like to see clearer photos when you get the chance. Enjoy 😀
 
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