Item Description

Condition: Unused / Stored

This is a SEIKO × Dr. Yellow T4 (923 Series Shinkansen) Retirement Commemorative Watch, released as a limited edition collaboration model.

The watch was purchased in April 2026 and has never been used. It has been carefully stored indoors, and the original protective films remain attached.

The case back features an individual serial number engraving.

Included

• SEIKO Dr. Yellow T4 Retirement Commemorative Watch

• Manufacturer's 3-Year Warranty (Guarantee) Card

• Items shown in the photos

Condition Notes

• Unused condition

• Stored indoors since purchase

• Protective films still attached

• Serial number engraved on the case back

• Please review all photos carefully, as they are part of the item description.

This is a highly collectible item for Shinkansen, Dr. Yellow, railway enthusiasts, and SEIKO collaboration watch collectors.