Seiko Scuba Sumo SBDC001 BLUMO Rare Pre-Prospex No X Blue Dial Auto Complete


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We take trades against any of our watches!!! We also buy watch packages!!

Seiko Sumo Prospex Automatic Dive Watch with BLUE  Dial and Stainless Steel Bracelet #SBDC001

Note: this is the discontinued version of the BLUE Sumo, BLUMO, SBDC001. It does not have the Prospex logo (No X) on the dial.

This is a highly coveted Seiko automatic dive watch that has been nicknamed BLUMO and comes on the rare Seiko stainless steel bracelet!!

As-New Seiko Blue DIAL SBDC001 “BLUMO” Automatic. This model is discontinued and No longer available from Seiko – !00% Complete Set!


BRAND: Seiko

MODEL: SBDC001 – Pre-Prospex BLUE Dial

MOVEMENT: Automatic – Japanese

CASE: Stainless Steel

CROWN: Screw Down 

SIZE: 44mm

LUGS: 22mm

DIAL: Blue “No X” Dial

BEZEL: rotating Diver

CONDITION: Pre-owned – As-New! 

BOXES/PAPERS: Complete Box Set And comes with everything as shown in pictures!


STRAP/BRACELET: – Original Seiko Stainless Steel bracelet  with all links

Let us know what you have in your collection!! I consider all watches in trade! Please upload pictures.

and include details of your trades through my Trade/Buy tab at the top of my homepage.