Service Eterna Matic calibre 1253UD

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This Eterna is not working and very dirty, but looks to be in decent original condition.

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Lovely movement decoration.

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Dial and hands removed.

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Winding/setting mechanism with setting lever spring removed.

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The first generation Eterna Matic movements can easily be recognised by the two different sized reverser wheel.

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If you remember the super complicated Helvetia this autowinder is much more simple consisting of two intermediate wheels and two reverser wheels.

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Plenty of dirt! I also find a case clamp screw lodge in the gear train.

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The balance staff has been reduced to dust and needs replacing.

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This watch has been dirty for a long time!

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Dirty mainspring.

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Movement after a badly needed clean and ready to be put back together.

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New balance staff fitted to the balance and being tested that it swings freely.

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Mainspring in the clean barrel.

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

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Almost back together, clean and nice!

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Setting/winding mechanism, the finish and decoration are very good all over this movement.

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Aesthetically, Eterna has some of the most beautiful automatic movements.

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Back from it’s long sleep and preforming well.

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Dial and hands back on the movement. Some light patina, but overall very good condition!

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Movement back in the case looking great!

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I love the simple design of this watch, it tells you the time with no fuss!

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Yep happy with that!

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2 Responses to Service Eterna Matic calibre 1253UD

  1. Gary says:

    Another success! Beautiful watch? Mitka, what approximate year would the watch be?

    Like

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