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Please help me authentify this watch ;)

H
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Hi guys,
Hope y'all are doing great.

I just got this omega watch and i have some doubts of every part is original or not.
The dial looks fine and the movement looks solid and genuine with omega engraved deeply on it.
I know they used this movement in some early omega pocket and trench watches.
I know as well some omegas had the serial number and the number of jewels engraved under the dial so there was no engraving on the bridge or on other visible areas.
The crown has omega logo as well.
The case back has "omega watch co and fab suisse" engraved on it too but it seems the serial number on the bottom is scratched or removed on purpose.

I need your help guys to understand more about what i have.

Thank you in advance for your time, expertise and kindness.

Best regards,
Hootan

20260807_195058.webp 20260807_195050.webp Screenshot_20260806_120138_Facebook.webp
 
Dan S
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The sloppy way that the reference number inside the caseback has been obscured is extremely suspicious. It's hard to imagine why that would be done for any legitimate reason.
 
mac_omega
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Dan S Dan S
It's hard to imagine why that would be done for any legitimate reason.
Maybe some amateurish amendment after a heavy repair on the caseback
 
Spanakopita
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Dan S Dan S
The sloppy way that the reference number inside the caseback has been obscured is extremely suspicious. It's hard to imagine why that would be done for any legitimate reason.
That made me suspicious as well. Maybe someone thought the serial was on a theft register or something?
 
H
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Dan S Dan S
The sloppy way that the reference number inside the caseback has been obscured is extremely suspicious. It's hard to imagine why that would be done for any legitimate reason.
What about the movement? I heard some old movements have the serial number engraved on the non visible side of the main plate ornthe balance wheel. Is thar right ? Can you help me know if this is a real omega watch?
 
H
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Spanakopita Spanakopita
That made me suspicious as well. Maybe someone thought the serial was on a theft register or something?
What do you think about the movement my friend? Do you think it is real ? I know the dial is most likely real and the crow is signed too so i showed it to 2 watch makers already and they told me the movement looks legit but no serial number kinda makes me worried. It works fine by the way. And i heard some old omega movements have the serial number engraved unde the dial or on the non visible side of the main plate.
 
Tire-comedon
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Case and movement don't match, the caliber is real Omega but an early one with serial under the dial, the case is a much much later one.
 
lenndon
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Frankenwatch, but it's crazy how well the movement fits.
The reference was scratched off intentionally, I'm convinced of that.

If you like the watch, just wear it and enjoy it. If you really like it, you might even get it serviced, but that won't make much financial sense if you're planning to sell it.
 
H
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Dan S Dan S
Serial number is on the movement.
Where on the movement exactly please?i don't see any
 
H
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Tire-comedon Tire-comedon
Case and movement don't match, the caliber is real Omega but an early one with serial under the dial, the case is a much much later one.

Tire-comedon Tire-comedon
Case and movement don't match, the caliber is real Omega but an early one with serial under the dial, the case is a much much later one.
So this means the dial has to be removed to check the movement right ? And you believe movement is original?
 
JimInOz
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H Hootan
So this means the dial has to be removed to check the movement right
The dial can be removed to see if there is a serial number on the main plate. If thre's a serial number, it can indicate the approximate year of production.

H Hootan
And you believe movement is original?
Yes, but to give more accurate information we need a good clear photograph of the top of the movement with the crown at 12 o'clock.

Like this, for example.

Basic caliber.webp
 
H
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There you go brother. What do you think of it?
Hope the photo isngood enough for you.

Screenshot_20260807_091149_Gallery.webp
 
H
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JimInOz JimInOz
The dial can be removed to see if there is a serial number on the main plate. If thre's a serial number, it can indicate the approximate year of production.


Yes, but to give more accurate information we need a good clear photograph of the top of the movement with the crown at 12 o'clock.

Like this, for example.

Basic caliber.webp

Screenshot_20260807_091149_Gallery.webp
 
H
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JimInOz JimInOz
The dial can be removed to see if there is a serial number on the main plate. If thre's a serial number, it can indicate the approximate year of production.


Yes, but to give more accurate information we need a good clear photograph of the top of the movement with the crown at 12 o'clock.

Like this, for example.

Basic caliber.webp
I just attached a photo of the movement for you brother, what do you think of it?
 
JimInOz
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H Hootan
I just attached a photo of the movement for you brother, what do you think of it?
Excellent, what is the diameter of the movement?

Omega used the same style/format/design for many movements, with minor alterations to acccount for size, intended use etc, so knowing the diameter of the caliber helps identify it.
 
H
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JimInOz JimInOz
Excellent, what is the diameter of the movement?

Omega used the same style/format/design for many movements, with minor alterations to acccount for size, intended use etc, so knowing the diameter of the caliber helps identify it.
Do the whole case is almost 38 ( 37.5) mm and the movement size has to be somewhere between 29mm to 31mm
 
H
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JimInOz JimInOz
Excellent, what is the diameter of the movement?

Omega used the same style/format/design for many movements, with minor alterations to acccount for size, intended use etc, so knowing the diameter of the caliber helps identify it.
Do you need a more accurate number ?😁
 
JimInOz
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H Hootan
Do you need a more accurate number ?😁
It helps.
Even an engineer's rule with mm graduations, or better, a digital vernier reading.
 
H
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JimInOz JimInOz
It helps.
Even an engineer's rule with mm graduations, or better, a digital vernier reading.
It is 29mm to be exact
 
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