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Helvetia 837 auto


Gra

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Hi all, sorry but never managed to introduce myself.

Started to get involved in this fascinating hobby (for me anyway) back in July due to Brocken family hair loom.

Currently been asked to clean and service a watch by my brother in law, it belonged to his father, it's an Helvetia with a 837 movement. Been looking to try and find service sheets for it but according to Roland Ralfft they were never issued. If anyone has ever worked on these I would really appreciate some advice.

Regards to all

Graham

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Dugena, the Deutsche Uhrmacher Genossenschaft Alpina, was a purchasing cooperative of German watchmakers and watch retailers, founded in 1917. From 1949 on the brand name Dugena was printed on watch dials.      The one you have is a Dugena 1021  same as the helvitia  837. although It doesn't help any as I have not forund anthing on the Dugena 1021 yet. You may be able to find it on the bestfit books,  They are available from Wn S McCaw's web site for about $9 on a CD.

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