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7c46

  1. WATCHMAKING & TINKERING
    Hi everyone, I am learning about the 7548 and 7C46 movements. I see where some claim the 7C46 is an all metal movement. I have seen one and I know that is not true. Are they confusing the 7548 with the 7C46? Also, why did Seiko replace the 7548 with the 7C46? From what I understand after...
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