omega seamaster 120 166.073 case back issue

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kazd

·Sep 21, 2026

hello there , I have this omega seamaster 120 ref# 166.073 , the watch itself , tha case is a good condition , when I got this one on eBay many years ago it came from Taiwan ,🙃the seller stated that there was some pitting on the back case and did try to remove it , but from the picture you can see he butchered the back really bad, I think there was no pitting but possibly some ingraving that he wanted removed , any way how do I fix this butchered case back , is it possible , please any advise opinion will help , thank you , kazd

 

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flqt-9000

·Sep 22, 2026

Is it a black dial one, right?

 

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kazd

·Sep 22, 2026

flqt-9000

Is it a black dial one, right?

Yes it is black dial , the watch is a in super fine condition except the butchered case back , wondering how I can fix it, thanks for your reply , kazd

 

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JimInOz

·Sep 22, 2026·Melbourne Australia

It looks like somebody used a grinder to remove an engraved inscription.

You may be able to restore the finish with a lapping wheel, or maybe in a lathe chuck and using a hand held polishing wheel.

 

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kazd

·Sep 22, 2026

JimInOz

It looks like somebody used a grinder to remove an engraved inscription.

You may be able to restore the finish with a lapping wheel, or maybe in a lathe chuck and using a hand held polishing wheel.

Ah thank you for this valuable advise and yes does look like he used a dremel tool , the cuts are kind of substantial but hopefully I can do what you suggest and if not completely only maybe improve it a bit and not to compromise the case back integrity , it is a awesome looking watch , not sure if replacement can be found somewhere but probably expensive , I’ll have to look in to it , thank you again , good day, kazd🤗🌞

 

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flqt-9000

·Sep 22, 2026

kazd

Yes it is black dial , the watch is a in super fine condition except the butchered case back , wondering how I can fix it, thanks for your reply , kazd

Based on the serial number and on mydatabase, this one could be an IDF example. So it was probably engraved..

 

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kazd

·Sep 22, 2026

flqt-9000

Based on the serial number and on mydatabase, this one could be an IDF example. So it was probably engraved..

Ah thank you for this valuable inside , do this was possibly a army issued watch , if so too bad that the ingraving is gone, so I’ll just try my best to restore it, or just enjoy as it, I looked up and these are very valuable pieces , thank you you guys are the best , good day ,kazd