Service: Eterna Matic Centenaire Calibre 1439U

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This Eterna is in wonderful condition but not keeping time. So time for a service;)

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Low amplitude before cleaning.

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Movement is dirty but in good condition.

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Dial is in amazing condition.

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Dial and hands removed you can see the plate that holds the date change mechanism in place.

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After removing the date mechanism we get down to the winding/setting mechanism.

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I like the decoration on Eterna movements.

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There is quite a bit of old dirt lying around in the movement that could jam the gear train causing the watch to stop.

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The old mainspring.

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Movement cleaned and ready to be put back together.

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Clean mainspring in the barrel.

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Very funky micro regulator on these movements.

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Gear train back in the movement looking nice and clean.

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Setting/winding mechanism back in place.

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Date and quick set mechanism back in place, working as it should;)

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Base movement back together and ticking.

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Now that is much better!

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Here I am putting the auto winder bridge back together.

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Movement back in the case looking great.

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The linen finish dial looks great.

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A 1960’s classic!

Watch is also for sale of you where to be interested;)

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