Vintage Hamilton chronograph question

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Rasputin

·Jun 6, 2019

I noticed this 1970s Hamilton has essentially a perfect circle between its 3 subdials. Not sure if this is part of the design or a circular scratch. Thoughts?

 

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321Only

·Jun 7, 2019

Might be caused by the hour hand. There are cases where the lume gets loose as circles around with the movement of the hand. Sometimes it can also be caused by rust or other particles

 

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Rasputin

·Jun 7, 2019

Anyone else also think it's a scratch rather than by design?

 

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X350 XJR

·Jun 7, 2019·Vintage Omega Aficionado

Here is what that dial should look like.

 

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Braindrain

·Jun 8, 2019

Yeah, it's hand drag. One of my watches has an identical mark.

 

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321Only

·Jun 8, 2019

If you service the watch, the watchmaker should be able to remove it. Doesn’t look like deep scratches

 

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Rasputin

·Jun 8, 2019

321Only

If you service the watch, the watchmaker should be able to remove it. Doesn’t look like deep scratches

How would he do that? I didn’t realize such scratching can be easily removed.

 

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321Only

·Jun 8, 2019

Rasputin

How would he do that? I didn’t realize such scratching can be easily removed.

If the dial has deep scratches the repair is going to be very hard but matching color can be added at the damaged spots.
But I think in your case there was just some material spread across the dial which can be removed with a brush or the Bergeron glue sticks.