What is Seiko automatic movement?

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Tags

1. #power
2. #seconds
3. #generates
4. #quality
5. #accuracy
6. #mechanical
7. #designed
8. #reserve
9. #mainspring
10. #place
11. #delivers
12. #grade
13. #spron
14. #seiko
15. #movement
16. #automatic
17. #market
18. #hours
19. #firmly
20. #caliber