Vintage Omega Hexagonal Crown:

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Was it used on other models, or just the Melbourne Olympics Seamaster?
 
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I’ve seen them on several other mid-1950’s Omegas, including some steel models.
gatorcpa
 
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I’ve seen them on several other mid-1950’s Omegas, including some steel models.
gatorcpa

Do you happen to have some photos?
 
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Trésor 2866.


The fact that you have seen it once on a Tresor does not mean it was originally there from the factory

This is shown on the Omega database:



And this is much more plausible
 
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Do you mean this crown?



IMHO this specific crown was used only on 2 watch models, the SM olympic Melbourne (case# OT 2850) and the similar OT 2984
 
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The fact that you have seen it once on a Tresor does not mean it was originally there from the factory

This is shown on the Omega database:



And this is much more plausible

I find it hard to believe that this crown is correct.