Service: Ebel Chronograph calibe Lemania cal CH27

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A client has sent in this Ebel chronograph. It’s not running and someone has cleaned the dial without applying varnish.

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Movement looks to be in good condition.

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If the movement looks familiar it’s probably because the Omega 320 is based on the CH27

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I start taking apart the chronograph components.

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I now start taking the base movement apart.

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Here you can see the crown wheel that is situated underneath the train bridge.

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Here you can see the gear train layout.

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Setting/winding mechanism.

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All the parts have been cleaned and are ready to be put back together.

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I fit the cap jewels and see that the balance moves freely.

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The mainsprings I get from cousins have been a little tricky as the inner loop is too large. I dig out this from my collection and it fits perfectly.

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Here you can see the setting/winding mechanics going back in the movement after I fitted the base movement.

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After putting the base movement together and seeing it runs well  I start fitting the chronograph components.

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Movement almost back together.

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Before fitting the dial I like placing the movement into the case to see everything is working like it should.

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The dial gets a new layer of varnish that will protect it from corrosion.

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I have also applied new luminous compound to the dial and hands.

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Top quality chronograph movement.

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After the movement has settled, I’m happy with the performance!

Great looking chronograph!

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One Response to Service: Ebel Chronograph calibe Lemania cal CH27

  1. matabog says:

    Beautiful!

    Liked by 1 person

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