I would suggest contacting Adam Lewis in Perth.
He recently serviced my Speedmaster for me and the process was easy and there were no problems at all.
Pricing will be close to Omega but the wait time and service results are much more acceptable.
Adam is Omega certified and highly regarded by our little Aussie group, contact him with your watch details and requirements and I'm sure he will be able to advise you.
https://www.lewiswatchco.com/Click to expand...