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Hey group, the Sumo is back! One notable change is that Seiko moved the Sumo to their Prospex collection. As a result, they added the Prospex logo on the dial as well as the caseback. They also made slight changes to the text under the Prospex logo. With these changes, they assigned the Sumo different reference numbers (SBDC031 and SBDC033.) These were the only changes made to the Sumo. The SBDC001 and SBDC003 are now discontinued models.
When's the drop as I'll definitely be in for one