440 The 10th

Osaka Venue Reservation Information
Osaka Reservation

2026.5.22 Fri – 5.24 Sun
InterContinental Osaka

Regarding your reservation

Reservations are accepted via LINE or email.
Please provide up to three preferred time slots.
We will contact you to confirm your reservation.
Venue details will be provided individually after your reservation is confirmed.

The details page for the "440 The 10th" event is here

Renovation and Customization Consultation

Two-hour slots by reservation only.

Let us transform inherited jewelry and cherished items you no longer wear into pieces that complement your daily life.
We offer consultations for remodeling and custom orders, reviewing your existing jewelry.
Even if you don't have a specific idea yet, please feel free to consult us.
Custom orders for yellow diamonds can also be booked here.

When making a reservation, please send the following information via LINE or email:
・Name
・Name (phonetic)
・Phone number (a number that can be reached on the day of the appointment)
・Preferred date and time
　1st choice: e.g., May 22 (Fri) 10:00-12:00
　2nd choice: e.g., May 23 (Sat) 12:00-14:00
　3rd choice: e.g., May 24 (Sun) 10:00-12:00


May 22 (Fri) & May 23 (Sat)
　①10:00-12:00
　②12:00-14:00
　③14:00-16:00
　④16:00-18:00
　⑤18:00-20:00
May 24 (Sun)
　①10:00-12:00
　②12:00-14:00

・Number of attendees (including yourself)
・Please provide details of your consultation as much as possible.
　For remodeling, please inform us about your existing jewelry and your desired outcome.
　For full custom orders, please also include your desired design, budget, etc., if you have them.
・If you have any existing jewelry or reference images, please send them to us.

For reservations and inquiries, please feel free to contact us from the bottom of the page.

Jewelry try-on

1.5-hour slot, reservation only

If you would like to view our creations, we are accepting reservations for jewelry fittings.
We will bring a curated selection of jewelry to the Osaka venue, so please let us know in advance if there are any specific items or collections you wish to see.
Upon reviewing your request, we will make every effort to prepare them for you.

To make a reservation, please send the following information via LINE or email:
・Name
・Name (phonetic)
・Phone number (a number that can be reached on the day)
・Preferred date and time
　1st choice: e.g., 5/22 (Fri) 10:00 AM - 11:30 AM
　2nd choice: e.g., 5/23 (Sat) 1:00 PM - 2:30 PM
　3rd choice: e.g., 5/24 (Sun) 10:00 AM - 11:30 AM

＜Available time slots＞
5/22 (Fri)・5/23 (Sat)
　①10:00 AM - 11:30 AM
　②11:30 AM - 1:00 PM
　③1:00 PM - 2:30 PM
　④2:30 PM - 4:00 PM
　⑤4:00 PM - 5:30 PM
　⑥5:30 PM - 7:00 PM
5/24 (Sun)
　①10:00 AM - 11:30 AM
　②11:30 AM - 1:00 PM
　③1:00 PM - 2:30 PM

・Number of attendees (including yourself)
Regarding fittings:
・We will make every effort to prepare the items you wish to see.
・If there are specific items or collections you wish to see, please let us know in advance.
・In the unlikely event that we cannot prepare your desired items, we will notify you beforehand.
・If you have any reference images, please send them as well.

Reservations and Inquiries

Please send your reservation request via LINE or email. Our representative will contact you to confirm your reservation.
Once your reservation is confirmed, we will provide you with the venue details (room number, directions, etc.) individually.

※ For those reserving via email
If you are using a carrier email such as docomo, au, or SoftBank, you may not receive a reply.
Please ensure that you can receive emails from info@440showroom.tokyo in advance.
If you are concerned about communicating via email, we recommend reserving via LINE.

440showroom
03-3265-5353