If you live near an Omega Boutique they can adjust it for you. You can check Omegas website for the locations. If it's a non trivial drive call first.
Thank you! Do you think the two metal things are too separated ? Can any good watchmaker do the job ?
The left button looks shorter than the right one (could be just the angle of the picture), perhaps the spring needs to be replaced?. Don't see anything else out of place in the picture