Service Helvetia: calibre 800C

IMG_4115It’s no hidden fact that I’m a big fan of Helvetia and their in-house movements. I suspect this watch has spent the last 70 years in a drawer due to the mainspring breaking. As a result the watch is in super condition.

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Movement looks great.

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Dial and hands are in very good original condition.

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I like the way they have marked the base plate, this is so that you could test timekeeping without the dial.

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Movement may look nice, but it definitely needs a service.

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Fairly complicated shock protection system that is easy to take apart, but a lot more tricky when putting back together.

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This is a fairly complicated construction and the way the third wheel drives the central second pinion is similar to Omega calibre 420.

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The crown wheel is secured from the underside of the barrel bridge.

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As expected the old mainspring is broken.

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After a little practice i get the cap jewels in place and see that the balance moves freely.

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I get a new old stock mainspring.

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New mainspring in the barrel.

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Movement is almost back together.

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The setting/winding mechanism back in place.

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with the hour wheel and washer in place I can fit the dial and hands.

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I love the dial design on this watch.

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Movement is back in it’s case looking great.

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I’m happy with performance!

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Now we are talking. A true survivor of time!

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Yes! I dig it!

 

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