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Breitling watch repair. Valjoux 7750.

This watch was recently serviced incorrectly. I found several issues and one glaringly obvious fault.

First of all it was aparent that the balance wheel was not turning correctly (sort of sticky) – this is usually due to a bent pivot (quite unlikely with Incabloc settings), or lack of lubrication. The real reason is illustrated below.

I also found that the watch was heavily over-oiled especially the train (train of wheels) pivot holes. A huge (in watch terms) blob of grease was found on the escape wheel.

Breitling Service

Breitling Service


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I love these vintage Breitling watches. A joy to work on. This one was in quite a used condition as you can see from the initial picture I took:

Vintage Breitling Chronograph

Before Starting.


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The issue with the newer Breitling watches is the back has 15 sides and requires a special set of dies (there are more than 10 sizes) to open them. Many professional Jewellers will never attempt to open a Breitling for a watch battery replacement for fear of scratching the back. And whilst some will have the correct equipment and training, others will attempt this with a Jaxa watch case opener which is a big mistake.

Jaxa Tool
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Here we have a Breitling chronograph which was recently given for service. We like to fully strip the whole watch when servicing any watch and a chronograph is no exception. These are great watches to work on, well manufactured to an extremely high standard.

Breitling Watch Movement
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