Service: Eterna Calibre 1408

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This Eterna is in really good condition, but not preforming like it should and could do with a service.

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Movement is in very good condition.

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Low amplitude together with a big beat error.

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The setting lever spring has broken and there is quite a bit of dirt.

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Once you start taking the movement apart you find the dirt.

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Old mainspring.

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Movement has been cleaned and I can see that the balance moves freely after fitting the balance jewels.

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Mainspring goes into the barrel.

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Here you can see the gear train layout before fitting the train bridge.

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Gear train back in place moving freely.

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Setting/winding mechanism back in place with a new setting lever spring.

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Movement back together and ticking.

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I’m happy with the performance.

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Movement ready for dial and hands.

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Dial and hands are in excellent original condition.

Eterna 1408

Watch even has the original Eterna crystal with 5 ball logo in centre.

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Simply elegant!

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