Due to the expansion of the Grand Seiko ID service, the login method for the Grand Seiko Boutique Online will change from Wednesday, March 5, 2025. Even members who are already registered with the Grand Seiko Boutique Online will need to register for a new Grand Seiko ID the first time they log in.
If you are not yet registered for a Grand Seiko ID, please register by following the instructions below.
A Grand Seiko ID is a common ID for customers that allows you to use eligible services provided by Grand Seiko safely and conveniently. By registering, you can log in to the following eligible services as well as the Grand Seiko Boutique Online using the same email address, eliminating the need to manage separate IDs and passwords for each service.
For details on Grand Seiko ID, please see here
: • Grand Seiko Boutique Online
• Grand Seiko Electronic Warranty Service
• GS9 Club
[How To Register Your Grand Seiko ID For The First Time When You Log In As A Grand Seiko Boutique Online Member* From March 5, 2025 (Wednesday) Onwards]
*If you are registering for the Grand Seiko Boutique Online for the first time, please follow the on-screen instructions to register here .
1. Access The Login Page.
Access the Grand Seiko Boutique Online. On your smartphone, tap the two lines in the upper left corner, then tap the "Login" button located in the upper left of the menu that opens. On your computer, click the "Login" button from the "My Account" button (a person-shaped button) located in the upper right corner of the page.
2. Log In With Your Grand Seiko ID
Please click the "Login by email" button on the Grand Seiko ID login page.
3. Enter Your Email Address
Please enter the email address you wish to register as your Grand Seiko ID and click the "Send Verification Code" button.
*Please enter the email address you have already registered with the Grand Seiko Boutique Online.
*If you have domain restrictions set in your email settings, please remove them to allow emails from "@grand-seiko.com".
4. Enter The Verification Code
Please enter the 6-digit verification code provided in the email and click the "Next" button.
5. Enter And Confirm Member Information
Please enter your membership information according to the fields, read the Grand Seiko ID "Privacy Policy" and "Terms of Use," check the boxes for "I agree to the Privacy Policy" and "I agree to the Grand Seiko ID Terms of Use," and click the "Next" button. On the confirmation page, please check that there are no problems with the information you have entered, and then click the "Register" button.
6. Grand Seiko ID Membership Registration Complete.
Your Grand Seiko ID registration is complete. Clicking the "Next" button will take you to the Grand Seiko Boutique Online homepage where you are logged in.
[How To Log In After Registering Your Grand Seiko ID]
1. Access The Login Page.
Access the Grand Seiko Boutique Online. On your smartphone, tap the two lines in the upper left corner, then tap the "Login" button located in the upper left of the menu that opens. On your computer, click the "Login" button from the "My Account" button (a person-shaped button) located in the upper right corner of the page.
2. Log In With Your Grand Seiko ID
Please click the "Login by email" button on the Grand Seiko ID login page.
3. Enter Your Email Address
Please enter your registered email address and click the "Send Verification Code" button.
4. Enter The Verification Code
Please enter the 6-digit verification code provided in the email and click the "Next" button.
5. Login Complete
Clicking the "Complete" button will log you in and redirect you to the Grand Seiko Boutique Online homepage. Please continue to enjoy your shopping.