You can go to any watchmaker you choose but it will invalidate any existing warranty - I suppose you got that from the shop?
Here is what Omega will do and the price - your watch will come back completely refreshed. In your situation, I would seriously consider this.
https://www.omegawatches.com/custom...s-and-prices/main-steps-of-a-complete-service
An independent watchmaker will do everything there as well but most of us do very few quartz watches as there is far too much other work and there is less call for quartz work within the collector community. I do one a month and usually just for someone I know.
Good luck, Chris
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