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Customer Service

Please contact us below if you have general inquiries or need help with your Grand Seiko timepiece.
Grand Seiko Corporation of America - Service Center
New Jersey
1111 Macarthur Boulevard
Mahwah, NJ 07430
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We're Updating: Shipping Delays
While we’re updating our system, all orders placed between March 28 and April 5 will not ship until after April 5. Thank you for your patience and understanding.