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  1. Fifty shades of grey... Dark Sumo

    Mod & Restoration Reviews (Mod/Restored Watches)
    Here's one that I've been working on for some time now...always wanted a watch that has so many color variations and the Dark Sumo is just that. This one started life as an SBDC003. Also known as the Blumo and a very nice watch right out of the box. But it's what happened after I took it out...
  2. FSOT: Seiko SBDC003 Blue Sumo Blumo 6R15 $340 Pressure tested and regulated

    SEIKO & CITIZEN TRADING POST
    TRADED For sale is my Seiko Sumo "Blumo" Blue dial and bezel diver model number SBDC003, in outstanding condition except for a small scratch on the crystal that is only visible from certain angles close up. The watch has been regulated and has passed a pressure test. Includes box, all extra...
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