Do Omega watches have serial numbers?

Related questions

1. How can you tell a fake Omega watch?
2. What is an Omega Speedmaster?
3. What watches increase in value?
4. Are Omega watches worth it?
5. Why Omega watches are so expensive?
6. Is Omega as good as Rolex?
7. What watches will increase in value?
8. Does Omega hold value?
9. What is a Speedmaster reduced?
10. Is Rolex watch a good investment?

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17. #during