Customer Service

Please contact us below if you have general inquiries or need help with your Grand Seiko timepiece.

The Grand Seiko Service Studio

New Jersey
1111 Macarthur Boulevard
Mahwah, NJ 07430
https://grandseikoserviceusa.com/
+1-800-334-0962
custserv@grand-seiko.us.com

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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.

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