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bjd1020

Mysterious 7750 Chrono Bridge

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I have read through all my tech data on the 7750. This will be the 4th one I have purchased for parts and rebuilt. The chrono bridge here in this one is unfamiliar to me.....can snybody shed some light on where it comes from???6779ddbad85ee17d254629492a17dcbf.jpg

 

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It Might be one of those 7750 derivates used by Longines and others, could you take a picture closer to the balance, there it should say what model it is, might say something like A07.XXX?

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It Might be one of those 7750 derivates used by Longines and others, could you take a picture closer to the balance, there it should say what model it is, might say something like A07.XXX?
A05H21

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5 hours ago, bjd1020 said:

A05H21

I see noirrac1 found the data, this might have been in a Hamilton Khaki Field Chronograph.

It is a nice treat getting to see this beauty, thank you.
 

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The add on ebay had it listed as a vintage Omega. I had to replace the balance and rotor. I paid 60 bucks for it.

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14 hours ago, bjd1020 said:

The add on ebay had it listed as a vintage Omega. I had to replace the balance and rotor. I paid 60 bucks for it.

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That's an unbeatable price for a 7750 even with having to buy a balance and rotor. A brand new 7750 day/date is nearly $500 from J Borel.

J

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