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Customer Service

 

For after sales service inquiries regarding repairs, overhauls, or other maintenance requirements, please visit www.GrandSeikoServiceUSA.com.





For inquiries regarding your Boutique Online order, please use the form below or contact us by phone by calling  888-300-8463 or email at boutique.online@grand-seiko.us.com. 
The Grand Seiko Service Studio
2 Park Way
Upper Saddle River, NJ 07458
https://grandseikoserviceusa.com/
+1-800-334-0962
custserv@grand-seiko.us.com
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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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