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First Project: Omega Genève Cal. 565

handwound
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handwound Watch Enthusiast

handwound

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Hey guys :)

I just wanted to share with you my first project, an Omega Genève with the calibre 565. I saw it on Chrono24 for really cheap. It was sold as not working, but for the price I just couldn't say no to it and immediately bought it. When the watch arrived some days later, I opened the caseback to see if there is something obviously wrong with the movement what causes it to not run. A screw fell out and I noticed that it should keep the one missing caseclamp in place. I suspected that the clamp has made it's way into the train of wheels what causes the watch to stop. And indeed: a slight shake and it fell out and the watch started ticking, it wasn't running great at all but at least a sign of life so I hoped a service would recover it.

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Movement before service

 

The movement was quite nasty, everything covered in small pieces of dirt and old oil. Stripping the movement down went quite smooth and I took photos of some parts to remember their location. I cleaned it in an ultrasonic cleaner with Elma Red and then rinsed it in distilled water and isopropanol. After all parts were dried I started to inspect them and I thought that they would all be fine, but that assumption turned out to be wrong later.

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All parts cleaned and dried (with expeption of the automatic assambly)

 

When the movement was assambled again I was really happy to see it ticking again, but the joy only lasted for a short time, because it stopped after about a minute. I first inspected the balance again but it was moving freely so I assumed that the problem would be in the train of wheels, because the watch was running nice at first. When I checked the third wheel I noticed a small black dot between to teeth, barely visible even under magnification. I cleaned this spot and also all other wheels again and pegged out the pivot holes. After reassembly it was now running nicely.

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On the timegrapher the watch is running with around 240° in dial up and down position and around 220° in hanging positions. Beat error as well as positional error a quite low. I know that these results are far from perfect, but it's my first project and if I consider the condition it was in before I'm quite happy with the result :biggrin: The lession I've learned from this: spend more time on inspecting the parts, as it can save you a lot of time and nerves later ;) 

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I found a new original Omega Crystal for this case reference, now I just need to wait for it to arrive and it will be a nice watch again. 

I hope you enjoyed this short report and I wish you all a nice weekend :lol:

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SparkyLB WRT Addict

SparkyLB

Posted
Posted

Well done. That was a nice catch. During reassembly after first clean and lube, did you give the train of wheels a spin before adding the pallets?  

Jon Super WRT Addict

Jon

Posted
Posted

Couldn't you find a new mainspring for this, as 240 amplitude is very low to be happy with?

 

handwound Watch Enthusiast

handwound

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Posted

I wanted to keep costs as low as possible, but I want to replace it in the next time :) maybe it will boost up the amplitude a bit

rodabod Distinguished Member

rodabod

Posted
Posted

I find these movements can be a bit fussy and sometimes will "pick up" after running in a little.

Good job!

  • 3 weeks later...
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