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Omega CK2287

C
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Hello everyone!
I have an Omega CK2287-1 with a 27 Chro C12 T1 PC calibre in which I cannot find the serial number.

In what other places on the movement could it possibly be located?

Another question concerns the crown: which type of crown would be historically correct for this model?

Best regards, and thank you very much for your answers.
🤗

IMG_2136.webp IMG_2135.webp IMG_2165.webp
 
seekingseaquest
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Thanks for sharing. Attached is my 2287-1. As you can see, my serial is on the bridge. Perhaps your bridge was swapped out?

Would you be able to provide more clear photos of the dial?

On the crown, the one you have on it looks pretty good to me. Mine is incorrect and I’ve been actively seeking a replacement (see my WTB here). The original would not have been signed.

IMG_5059.webp IMG_5062.webp
 
boobconsultant
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As far as i know: On the 27 CHRO C12 T1 PC the serial number is on the plate, not on any of the bridges. Most of the time it’s: along the outer edge of the mainplate, under or just next to the balance, partly hidden by the balance cock and regulator.

With the balance in place you often only see a couple of digits, or nothing at all, so a watchmaker may have to lift the balance to read it properly. In a few cases the number is stamped on the dial side of the plate, so if nothing can be seen from the back even with magnification, then it’s dial-off time.

As for the crown, the historically correct style for a CK2287 is a relatively small, slightly domed, finely fluted push-pull crown with an Ω logo.

(and obv not the dial it left the factory with. right?)
 
C
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boobconsultant boobconsultant
As far as i know: On the 27 CHRO C12 T1 PC the serial number is on the plate, not on any of the bridges. Most of the time it’s: along the outer edge of the mainplate, under or just next to the balance, partly hidden by the balance cock and regulator.

With the balance in place you often only see a couple of digits, or nothing at all, so a watchmaker may have to lift the balance to read it properly. In a few cases the number is stamped on the dial side of the plate, so if nothing can be seen from the back even with magnification, then it’s dial-off time.

As for the crown, the historically correct style for a CK2287 is a relatively small, slightly domed, finely fluted push-pull crown with an Ω logo.

(and obv not the dial it left the factory with. right?)
Thank you for the information. The dial is original but has been “historically” restored.

IMG_2189.webp
 
C
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seekingseaquest seekingseaquest
Thanks for sharing. Attached is my 2287-1. As you can see, my serial is on the bridge. Perhaps your bridge was swapped out?

Would you be able to provide more clear photos of the dial?

On the crown, the one you have on it looks pretty good to me. Mine is incorrect and I’ve been actively seeking a replacement (see my WTB here). The original would not have been signed.

IMG_5059.webp IMG_5062.webp
Thank you!!
IMG_1892.webp DSC03629.webp
 
C
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boobconsultant boobconsultant
As far as i know: On the 27 CHRO C12 T1 PC the serial number is on the plate, not on any of the bridges. Most of the time it’s: along the outer edge of the mainplate, under or just next to the balance, partly hidden by the balance cock and regulator.

With the balance in place you often only see a couple of digits, or nothing at all, so a watchmaker may have to lift the balance to read it properly. In a few cases the number is stamped on the dial side of the plate, so if nothing can be seen from the back even with magnification, then it’s dial-off time.

As for the crown, the historically correct style for a CK2287 is a relatively small, slightly domed, finely fluted push-pull crown with an Ω logo.

(and obv not the dial it left the factory with. right?)
 
seekingseaquest
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boobconsultant boobconsultant
As for the crown, the historically correct style for a CK2287 is a relatively small, slightly domed, finely fluted push-pull crown with an Ω logo.
Why do you say the crown should be signed? I don’t recall seeing any original early ‘40s Omega chronographs with signed crowns. Of course the service replacements would be signed, just like the OP’s.
 
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