How often should an Omega Seamaster be serviced?

Related questions

1. Where is the serial number on an Omega Seamaster?
2. Where is the serial number on a Omega Seamaster watch?
3. Do Omega watches use batteries?
4. Why Omega is so expensive?
5. Do watches need to be serviced?
6. What size is my Omega Seamaster?
7. How do I clean my Omega Seamaster?
8. How often should I have my watch serviced?
9. When did James Bond switch to Omega?
10. What Omega did James Bond wear?

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